1. MasterMind Assignement , Use of String Class java-forums.orgHi, im trying to solve this last bit of mastermind assignment im on from my book and ive been stuck on this for a while now. i have to solve this using string class according to assigment. the part im troubled with is the part were im supposed to compare the user input against the computer generated code. if your familiar ... |
2. String problem: deleting java-forums.orgI got this program in my practical paper. We were asked to input a string like "try (a) checking (b)" and print "TRY CHECKING" I managed to get my output as "TRY ) CHECKING". I'm copying a part of my code. Any suggestions on how to eliminate the remaining parentheses will be great! code: public void check() { len=n.length(); for(int i=0;i |
3. How do i delete a section of a user inputed string that i input java-forums.orgimport java.util.Scanner; public class StringRemoval { /** * @param args */ public static void main(String[] args) { Scanner eyes = new Scanner(System.in); Scanner pwn = new Scanner(System.in); String word; String word2; System.out.println("Enter Word"); word = eyes.next(); System.out.println("Type what you want to go away"); word2 = pwn.next(); System.out.println(word.substring(word2.length(),w ord.length()));; } } Example---- user types in mountain user types in mount output is ... |
4. Problem with String introduction-read java-forums.orgimport java.io.*; // brakuje ci tego wiersza import java.util.Scanner; public class Main { public static void main(String args[]) { //z wywietleniem podpowiedzi Console con=System.console(); String txt=con.readLine("Napisz cokolwiek a potem nacinij ENTER "); System.out.println(txt); //z wywietleniem podpowiedzi i rozbiciem na sowa System.out.println("Napisz cokolwiek a potem nacinij Ctrl-C"); Scanner sc=new Scanner(System.in); while(sc.hasNext()) { String xtx=sc.next(); System.out.println(xtx); } } } |
5. Manipulating strings java-forums.orgsubString is going to probably do what you are looking for. You can define a beginning and end index(if needed) and 'chop' the string down to what you want. You can also use indexOf and pass in a token if you want to manipulate your string based on the presence/position of some character or pattern |
6. Combobox dynamic load using String[] java-forums.orgYou are adding an array to the first index of the combo box. Anytime you see that weird gobbledegook you are seeing the default toString message. You can loop through the array and add each item. Also, there may be something in the combo box class that let's you add an array, check the API. |
7. String lengths java-forums.org |
8. Strings java-forums.orgHi Dswastik, I went through the link but it didnt help me much. I need to search the prime number from an array of elements 12,34,35,42,9,76,31,54,99,150. So was unable to do it. I tried little but its giving Array Index Outof Bounds... My coding is as follows.. class Break { public static void main(String ar[]) { int a[]={12,34,35,42,9,76,31,54,99,150}; for(int i=0;i<=a.length;i++) { ... |
9. Refferencing a string to an existing object java-forums.orgHi all, I'm currently learning Java from some books for an OU course that my dad did. One of the situations used to help with the learning is a bank accounts setting. As I want to create an Android app around as similar idea, I was changing some of the source code for the "Accounts" class to make it more user ... |
10. How do I create a String[2][20], with only 10 items java-forums.orgI am working on a java class, and have been asked to create an inventory object of String[2][20] and fill it with only 10 things. The only way I can think to do this, is as follows, but, is there a better way? private String[][] inventory = { {"flashlight","0"}, {"knife","0"}, {"Swiss army knife", "0"}, {"camera", "0"}, {"notebook", "0"}, {"lighter", "0"}, {"lunchbox", ... |
11. user input- Strings java-forums.orghey, i have been trying to work this out for awhile, it compiles with no problems at all but when i run it, it skips over the part that i want to read in the operator. import java.util.Scanner; public class calculator { public static void main(String[]args) { Scanner keyboard = new Scanner(System.in); double total; System.out.println("Enter your first number: "); double num1 ... |
12. found java.lang string expected person java-forums.orgI'm inputting a value eg "Jarse,Hugh" as a value for Person and I get the error above. Here is the definition for person: public class Person { // The name of this person. private final String name; /** * Create a new person with the given name. * @param name The person's name. */ public Person(String name) { this.name = name; ... |
13. help with creating string java-forums.orgHi im new to java. what i need to do is make a class called Holiday with data members end date, start date, price and place as data type String. after that how do i provide a accessor pairs and a constructor so that it will initialise all the data members. please help i really struggling, :confused: by the way im ... |
14. Making a grid using a String. java-forums.orgHey Java Forums, I am here because i require a little help. I am trying to write a method that returns a String type and i want the string to be a grid of size that is determined by a seperate variable (ie user input). I want the grid to look like so (for a input of 9, refering to a ... |
15. Making a grid in a string java-forums.orgHi Java Forums, Before i explain my issue, i will say i have posted something similar a few weeks back and got some help which helped me solve my problem. The current problem i have is similar but a bit more advanced (it builds on what i did before). I have also conducted another search to find help with no luck. ... |
16. How to withdraw a specific from a String? java-forums.orgHi, i have a "windows URL" and I want to take the last thing in that url and save in a String. The url is like C:\Music\Song.mp3 I've come up with this: String name[] = urlString.Split("'\'"); System.out.println(name[0]); Which gives me: "C:\Music\Song.mp3" But what can I use to save "Song.mp3" to a string? Thanks |
17. Use robot class to type a string? java-forums.org |
18. Save Input of User in Strings! java-forums.orgHi everyone! I won't say that I'm new to Java, but I actually need some help. I need to save the input of the user into a string. Can I do that in some strange way with the scanner? Does'nt matter if it's Gui or in the Cmd. Why do I need this? I am creating a registration thing in my ... |
19. String If Statements java-forums.org |
20. alphabetizing a string java-forums.orghello. i'm trying to alphabetize a string my method works correctly with single characters (o t t f f returns f f o t t) but not with words (one two three four five returns four three five one two) Java Code: public class StringMethods { public static int wordCount( String rawString ) { rawString += " "; int wordCount = ... |
21. about String..~ java-forums.org |
22. Scramble a String java-forums.orgWhat is more efficient: Fewer machine instructions executed or fewer source statements. Should the output String contain the same number of letters as the input String? Your algorithm appears to only allow one copy of any letter. The longest that your output string could be would be 26 letters for any long string input to it. |
23. Need help with a string java-forums.org |
24. String s = ...; java-forums.org |
25. Strings, scanners and IFs java-forums.orgHey everyone, this is my first post. Ive been learning some basic java in eclipse (linux ubuntu if you need to know, and im using Sun's java instead of OpenJDK). Anyways, im trying to make a very basic password accepting kind of system, just for some practice. If i use integers for passwords the program runs fine, here is the code: ... |
26. How To Add A \ To A String java-forums.org |
27. If Statement Modification (Using String Methods) java-forums.orgAs you know, pig latin is a language all about vowels in the English language. hasAVowel() is a function that needs to be created to locate and return the index number of where a vowel is inside of a word. I have been emailing my teacher here and there about this pig latin program and he strictly writes in his directions: ... |
28. string declarion , diferences java-forums.org |
29. String vs stingBuffer java-forums.org |
30. main method String java-forums.org |
31. Filtering strings? java-forums.org |
32. Help about String !!! java-forums.org |
33. How delete "+" from String? java-forums.orgOutput in console: summ = 5.1+3.14+0+=8.24 How delete last "+" from String? Wich better way? I know one, but musst use if. In programm to much if. And how can without use if? Code Example: Java Code: import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; public class Runner { public static void main(String[] args) { String path = "in.csv"; String line ... |
34. using a string to call a method in a different class. java-forums.orgthis is the file(or charatersheet) (i've tried BufferedReader, but the only problem is i can only read lines into a string instead of just the next word) Owner: presti Level: 23 Race: Human Age: 53 Health: 2760 Max Hp: 2760 mana: 1840 Max Mana: 1840 statsStart Power: 181.0 Cooldowns: 247.0 Abilities: 219.0 Longagevity: 153.0 statsEnd Cords: (-90.0,225.0) inventoryStart 1: Empty 2: ... |
35. Modifying a String of 10 digits java-forums.orgHi again. suppose my program reads in a string from the user. The string represents a 10 digit codword an example input would be: 0079584584 I now run a series of equations to determine if any character's need changing. possibilities are: 1) no characters need replacing 2) 1 character needs replacing 3) two characters need replacing So supposed my equations determined ... |
36. How Can i already be stuck? String play java java-forums.org |
37. String to document java-forums.org |
38. How to initialize from a string java-forums.orgI am very new java and have assignment which i have completed and submitted but know that there has to be an easier way of doing this. I need to create a deck of cards, that contains the suit, description and value for each card. When the constructor is initalized the user can type in each of these values. However is ... |
39. String composing problem ... java-forums.orgMy original code is bellow. If you use code inside comment /* */ with '-' instead of '.' everything is OK (16.11.2011), but with '.' I get 16.112011 (dot is missing). public void nastaviIzbranDatumZaPrisotnost(String imeTabelePrisotnost){ //v obliki 'prisotnost2011_10' to metodo kliemo iz // class JedPulPregledPrisotnostiPoOsebi->public void zgradiSQLQueryZaTiskanje(){ System.out.println("Ime tabele = " + imeTabelePrisotnost); String temp1 = imeTabelePrisotnost.replaceFirst("prisotnost","");//iz prisotnost2011_10 dobim 2011_10 String[] ... |
40. Interget instead of String input and If Statement re-loop? java-forums.orgIm in the process of writing a pipe length class using netbeans and have occurred 2 hurdles. The input by the user MUST be a integer, if the user enters a string or other character, it crashes, how can i solve this? Also, if the criteria is NOT met for the length, if says please enter another value however i do ... |
41. Reference in String java-forums.orgYes when you do s2 = s1 then s2 will point to the same String object, but when you change what s2 points to, by say assigning it to a different String object, you shouldn't expect s1 to change with it, since it is still pointing to the original String object, the one with "Java" in it. |
42. String seperating Help. java-forums.orgHi all, so I am currently working on a problem, which I want to do this. Basically, it will read in a text file, which contains several numbers, which can be changed in how many numbers. For example, the file may have 30, 24, 60, 14, 72, 22, 21, 63 I want my program then to take in these numbers, and ... |
43. Issue with scanners and strings java-forums.orgHi everyone, So I have written a code which allows for a user to input a name through the use of a scanner and then using a while statement, an array is searched through to see if the name already exists within the array. My problem here is that whenever I input a name into the scanner that I know is ... |
44. Subtracting Strings java-forums.org |
45. String == String java-forums.orgThis is weird. So, I was teaching somebody how to use Java and I had essentially said if you compare two strings with == they are not necessarily equal even if they have the same value. So... String str1 = "text"; String str2 = "text"; System.out.println(str1 == str2); This printed out true. ...WHAT? Does == now evaluate based on .equals rather ... |
46. String concet java-forums.orgJava Code: String s = "abc"; s = "def"; int i = 5; i = 9; Point p = new Point(3, 4); // the thing referenced by p has coordinates (3,4) p = new Point(5, 12); // a new, different, thing referenced by p has coordinates (5,12) p.move(3, 4); // p has not changed value but the thing referenced by p ... |
47. REgarding String forums.oracle.comas really anything should that doesn't require the special characteristics String offers over CharSequence. Of course with over a decade of using String exclusively, that's unlikely to be common any time soon (I'm guilty myself of quickly typing String and never even thinking of CharSequence until it's time to move that data to some other datatype). |
48. How many string objects - please suggest forums.oracle.comszczypior wrote: public String makinStrings() { String s = Fred; // 1 s = s + 47; // 2 and 3 s = s.substring(2, 5); // 4 s = s.toUpperCase(); // 5 return s.toString(); // same object, see below } There are 3 objects created. The 2 objects associated with "Fred" and "47" respectively must be considered existing before the method ... |
49. Question related to String forums.oracle.comi am also curious as to why you want to measure a string in terms of bits... if you are trying to identify how much space should be allocated to drawstring, similar to paint, the string could be defined as such: public class greet_me extends Applet { public void init () { String YourName; YourName = "Moon Beam"; } public void ... |
50. why JVM treats every thing as a String only forums.oracle.comIt's not the JVM, it's the operating system, in fact all operating systems I've ever worked with (and there've been quite a few). You type a string on the commandline, the operating system couldn't care less what data is in that string. It only takes the parts it needs to determine what the actual program to start or command to run ... |
51. SCJP question on String forums.oracle.comThe question is: public String makinStrings() { String s = Fred; s = s + 47; s = s.substring(2, 5); s = s.toUpperCase(); return s.toString(); } How many String objects will be created when this method is invoked? The answer given is 3. But i think the answer should be 4 (as a string object will be created for all assignments). ... |
52. SCJA String study preperation forums.oracle.com |
53. String class forums.oracle.comThis is a valid question and those who are preparing for SCJP must be aware of that difference. Consider this code String a = "Zaid"; String b = "Zaid"; String c = new String("Zaid"); String d = new String("Zaid"); How many objects are crearted in above code ??? There are actually 3 objects created in above four lines of code no ... |
54. Tokenizing a String forums.oracle.com1. read a character, say "ch". 2. In a while loop, keep reading characters until you come to one that isn't equal to "ch" (or the end of string is reached, in which case you're done). 3. Create a token from what was just read. 4. Make "ch" equal to the last character read, and goto 2. |
55. String method forums.oracle.com |
56. String operations not updating forums.oracle.comAlso, if performance is a key criteria or you do lot of non-threaded String operations like these in your application, you may want to take a look at the [StringBuilder|http://java.sun.com/j2se/1.5.0/docs/api/java/lang/StringBuilder.html] class. It is basically a non-synchronized version of StringBuffer. As it is non-synchronized, it provides better performance esp when there are several such operations involved in the application which are performed ... |
57. Generating Strings forums.oracle.comI previously created a string generator. It took an int as a parameter and created a text file of all of the possible String combinations of that length. After searching all my directories I am unable to find it. I am working on recreating the class but cannot remember how I did it. From what I remember, I used a recursive ... |
58. String objects forums.oracle.comFrom the String#intern javadoc: A pool of strings, initially empty, is maintained privately by the class String. When the intern method is invoked, if the pool already contains a string equal to this String object as determined by the equals(Object) method, then the string from the pool is returned. Otherwise, this String object is added to the pool and a reference ... |
59. delete charaters from a string forums.oracle.comThere are a few ways, but all amount to you have to code it... you can copy all the characters to a new String and leave the ones out you don't want. take the part of the String up to your unwanted character, then everything after it and concatenate them do a string split using the unwanted character as the splitter... ... |
60. For input String "" forums.oracle.comWhat is "the subjected error message"? I might be able to hazzard a guess but it would be much simpler and you are much more likely to get a reasonable response of you actually tell us what the error message is. Hint: Don't summarize it simply paste it into a response message. By the way, don't compare strings with "==" use ... |
61. a doubt in String forums.oracle.com |
62. concatination of strings forums.oracle.comThe biggest difference between concat() and + is that the former only accepts string arguments. As far as concatenating strings is concerned there really is very little difference. You might - if you're really fussy - want to investigate what happens when you try and concatenate using a string variable whose value is null with any nonnull string (either way round). ... |
63. String related forums.oracle.com |
64. getRuntime().exec and wired string forums.oracle.comWhy do you insist on calling the shell to invoke a single command? That's a useful technique if you need shell escapes or redirecting to/from files and/or pipes. But in your case you don't use that feature. Even more important: the redirection feature of your shelll works against you. The shell interprets "<" as use the following parameter as a file ... |
65. Strings forums.oracle.compublic class AboutStrings{ public static void main(String args[]){ String s1="hello"; String s2="hel"; String s3="lo"; String s4=s2+s3; //to know the hash codes of s1,s4. System.out.println(s1.hashCode()); System.out.println(s4.hashCode()); // these two s1 and s4 are having same hashcodes. if(s1==s4){ System.out.println("s1 and s4 are same."); }else System.out.println("s1 and s4 are not same."); } } Somebody told me that, == operator compares references of the objects. ... |
66. Substiring in a String forums.oracle.com |
67. changing a string forums.oracle.com |
68. String class forums.oracle.com |
69. Separate a String forums.oracle.comOk, real easy questions but I'm having a hard time finding a way to do it. I have a string separated by commas ("this, is, an, example"). How do i take each of those words and make them a new string? to be.. String one = "this" String two = "is" ...etc. |
70. String help - nullpointerexception. :( forums.oracle.com |
71. problem in String operation forums.oracle.comHi All I have one problem in which i want to delete the content of the string . in which string is in html page having img src = "image001.jpg@01C8AB7D.9021E020" , i want to check if string have .jpg extension or ending with .jpg and have some special character like @01C8AB7D.9021E020 then it delete that content after that and looks normal ... |
72. Using strings within different classes...help!!!!!!! forums.oracle.comPlz tell me how i can access a string that is defined in a another class.For example I have a string defined in a class i need to access it in a another class .The dot operator doesnt work unless the class in which string is defined is instantiated in the class where i need to access it.How do i do ... |
73. Accessing strings within a class(again) forums.oracle.comPlz tell me how i can access a string that is defined in a another class.For example I have a string defined in a class i need to access it in a another class .The dot operator doesnt work unless the class in which string is defined is instantiated in the class where i need to access it.How do i do ... |
74. Accessing strings within a class forums.oracle.comRead what the compiler is complaining about: that 'input' variable isn't a static member variable, iow, you need an object (an instantiation) of that class Clicka to be able to access that 'input' variable because it doesn't belong to the class (as a static member would), it belongs to a certain object which you don't have. kind regards, Jos |
75. strings forums.oracle.com |
76. string question forums.oracle.com |
77. basic if(string == string) trouble forums.oracle.com |
78. Obtaining information on a String. forums.oracle.comHi I want to use a loop to find all the blanks in a string and then display the position of the each one. Strangely there doesn't seem to be a way to "pull out" each character in the string so that I can see if it equals ' '. Is that correct? This would have made the problem much simpler. ... |
79. For String == return true, then returns false in another app. forums.oracle.comSo your question is why in one program the comparison works and in the other it doesn't? If you really knew about equals() you would have been able to deduce that while in the second example you deal with pooled compile-time constants, while the second time you end up with whatever getText() provides, which may as well be a newly created ... |
80. How call method with String pls. forums.oracle.com |
81. Question about Strings forums.oracle.com |
82. Elapsed time to string forums.oracle.com |
83. what is HastTable |
84. The String "012345" forums.oracle.com |
85. using delimeter to get parts of a string forums.oracle.comthanks for all the help. I wasn't realizing that the tokens started over each time, so I was trying to increase the i in the token, and it was getting me nowhere. I'm now just using a 0 and 1 and it all works out just fine. Thanks much for your help and sticking with me!!! |
86. Instantiate a new instance from a string forums.oracle.comGood question. There may be a better way to do it, but this is the strategy that makes most sense to my limited experience... The utility that I'm developing 'translates' the data in rainfall series files into a standard format. The source and target files are text files, but the data in the source files are presented in a very wide ... |
87. A little help with tokenizing a string forums.oracle.com/** * This method can only be called to convert an integer in string form to its integer value. * If called on an non integer token an error is printed to the screen and execution of the Tokenizer is stopped. * * @return integer value of the specified token assuming the token is an integer */ |
88. Question about Strings. forums.oracle.comHello, Lets say you have a user enter in a string. EX. "Smith,John" <- this is just one string not lastname var, firstname var. This goes into a constructor. Then you have a public String toString() method that will return a string like this: "John Smith 3.45". How do you get the "Smith,John" string to look like this:"John Smith" ? I ... |
89. instantiate object with string forums.oracle.comtry dis: Please resist the temptation to post guesses. If you're going to answer a question, please make sure you're adding value rather than posting incorrect answers that serve only to clutter and confuse. Also, please make the extra effort to write out words such as "this". The extra keystrokes won't cost much in the way of time, and the enhanced ... |
90. String Problem forums.oracle.com |
91. Assign a string name to an object... forums.oracle.comrenfox wrote: 1) I have a series of Arrays containing various data in one file/class. joeArray = {1, 2, 3, 4, 5); maryArray = {6, 7, 8, 9, 10}; etc... 2) In another java class/file, I want to reference one of these arrays So what specific problem are you having? You may want to just provide getters in the first class--getJoeArray, ... |
92. regarding string functions forums.oracle.comA lot of this is going to depend on your definition of "between" ## Text1 # # Text2 # Text3 # #Text4# In the previous example Text3 is the only answer, Text4 is the only answer, or all of the Texts are the answer, which is it? If you don't know, go back to your teacher and find out--you cannot code ... |
93. Help with string builder forums.oracle.com |
94. Manipulating a military time string forums.oracle.comI am new to java, but I am trying to make a program that will turn time into military time format and back into 12 hour format. I wanted to know how I can manipulate a string containing a military time, (i.e: "300", or "1630"), into a string with a 12 hour format, (i.e: "3:00 AM", or "4:30 PM"). Thank you ... |
95. avoid duplicate strings forums.oracle.comI am trying to avoid duplicate string a set of values. Instead of collecting strings in a string array and then going through the loop to find out whether the string exists already in the list or not, I am looking for another possibility. I am sure that arrayList allows duplicate strings. Is there any other possibility which doesn't allow duplicte ... |
96. How to ignore delimiter string forums.oracle.com |
97. Listbox to String - Then back into Listbox forums.oracle.com |
98. Convertings contents of listbox to string forums.oracle.com |
99. String class forums.oracle.com |
100. Uppercase string forums.oracle.com |