1. String and Final stackoverflow.comWhat is difference between in the following statements String class is final class, why do we need to create a String "CONSTANT" variable as ... |
2. Local variable of type string is stored on stack or heap? stackoverflow.comI have two local variables in a method as follows, |
3. How to center string output using printf() and variable width? [java] stackoverflow.comI'm creating an output in Java using printf() to create table headers. One of the columns needs variable width. Basically it should look like this: |
4. Return and save String variable from shell script to Java stackoverflow.comHello |
5. JAVA - Changing method return type from void to String instantly creates 'dead' code? stackoverflow.comI wrote a class a while back, which gets a specific set of values from specific XML files. It can then print the results in Console and it works just fine. But ... |
6. Expand env variables in String stackoverflow.comIs there some java utility, which will expand ~ and env. variables in a string? Like "~/bin;${MY_PATH}" -> "/home/john/bin;/dev/null" Thank you |
7. How can I write an "if" statement for a string variable in Java? stackoverflow.comThis is what I have so far and I have the problem written as a comment on the line I need help with. Any further suggestions would be welcome too. I ... |
8. Use string in place of variable name stackoverflow.comIf you have a Java variable named xyz. Then later on I define a string which has the value of the named variable I want to play with. |
9. jvm optimisations for string variables in methods stackoverflow.comIn a project that I am maintaining, I found a java class with a method "fn" similar to one shown below |
10. Java String variable stackoverflow.comWhat's the difference of the following String s1, s2, s3, and s3:
class A { |
11. How to pull variables out of a string stackoverflow.comI'm looking for a Java class that for a given string "the ${animal} jumped over the ${target}." is able to pull out the variable names, ie 'animal' and 'target'. I had hoped ... |
12. String variable interpolation Java stackoverflow.comString building in Java confounds me. I abhore doing things like: |
13. Java get end of string? stackoverflow.comSo in java, I know that |
14. My calculator program won't work. Problem with String variable stackoverflow.comI am creating a basic calculator with two numbers and an operator. But I can't the the operator to work right. If automatically goes to the else. |
15. Changing input for a string variable in java stackoverflow.comI'm trying to use string input (yes or no) as a sentinel for a loop. The loop repeats a switch statement, and at the end prompts the user with a yes ... |
16. Is it possible to use a String instead of a variable name in Java stackoverflow.comI've created 3 variables radio1 radio2 radio3 is it possible to use a for loop and from a String called "radio" to add the counter in the end in order to get the variable? for ... |
17. Java - make a function to create a variable with the name = String we input? stackoverflow.comHow can i make a function:
When i input a string "abc" this function create a variable with the same name, like this: |
18. Using strings and variables in println statements stackoverflow.comI am writing a program that finds a user's ideal weight by asking for their height in inches and feet. So far everything looks alright except the final statement, in which ... |
19. How to type in a string that will be assigned to a variable? stackoverflow.comI need my program to ask the user to type in a String which will be assigned to a variable eg:string in the case below so the array list can be ... |
20. Left pad zeroes to a string variable in java stackoverflow.comI have a string variable of 10 digits, if something less than 10 i need to append '0' before the variable. Example if the string is 9909909 it should be returned ... |
21. String to variable - urgent! coderanch.comThat looks like the right kind of thing, but I can't get it to work. When I said beginner, I really mean BEGINNER. Below is the code I'm trying to adapt. What I'd like to do is to make "value" (this is the name of the field from the html form) an integer, and then multiply it by 2 or another ... |
22. Using String() method to initialize variable coderanch.comHey everyone. I'm sure everybody in here is getting sick and tired of me and my Hangman program. It's almost finished to a point that I can start using graphics. This time, I'm doing things right! The code in question is posted at http://pastebin.com/648264 The entire package so far is available for download (in case you want to compile it yourself ... |
23. why String vlass reference variable holds content ? coderanch.com |
24. how to accomplish variable interpolation in a string coderanch.comHi, I am not able to interpolate a variable.I am new to Java programming so I am do not know about it.Here is a part of sample code which I am using - ----------------------------------------------------------------- |
25. variable to string to command coderanch.comHey all, I am trying to get a variable to concatinate to a string then use that string as a command like this: newx = place + "[" + num + "]"; Where place = "ones" and num = "8". So my line new line is: newx = ones[8]; This will make newx equal to the static string array "ones" in ... |
26. Is it possible to build a String then use it as a variable name? coderanch.comand you're using reflection just to reduce the amout of code you have to write Um, have you tried profiling the amount of time to do each? In JDK1.2, method invokation using reflection took 200x longer than calling the method directly. And thats when you cache methods rather than looking them up each time. It apparently got better in JDK1.3 and ... |
27. Reference java methods via string variable coderanch.com |
28. String variable coderanch.comhello I am using String variable for storing xml as a string but it gives lot of syntax arrors saying expected ; tokens ...... private String data = " |
29. How can I get a run() method to return a string variable, when run() method is required to be void ? coderanch.comA friendly place for programming greenhorns! Register / Login Java Forums Java Java in General How can I get a run() method to return a string variable, when run() method is required to be void ? Post by: Mary Dawson, Greenhorn on Feb 16, 2009 11:50:37 Dear JavaRanch members, I was wondering if you could help me with a ... |
30. Assigning String[] to multiple variables coderanch.com |
31. Adding " in String Variables... coderanch.com |
32. object name to string variable coderanch.com |
33. Calling variable or methods with Strings? coderanch.comHalo everyone I'm new here and I'm wondering how to call variables or methods with Strings in Java? Below is what I normally do in ActionScript3(flash) using this["String"]; var cButtons:Vector. |
34. reinitializing a String variable coderanch.com |
35. strings as variable declarations dbforums.comLet's just start by saying that i'm somewhat of a newbie to the java language. Okay, what I want to do is have an EOF loop, and in that loop, i want to read 3 lines of data from a file at a time and assign their values to variables. Also, and this is where my problem lies, the first of ... |
36. Object name by string variable? java-forums.org |
37. String variable problem java-forums.org |
38. String named variables java-forums.orgYou can't and what's more, you don't want to. If you want to associate an object with a String, then consider using a Map such as a HashMap. If you want to associate an object with a numeric index of contiguous numbers such as a counter, then just use a simple array, or for more flexibility, and ArrayList. |
39. Problem with Class String Variable java-forums.orgDear all, I'm writing some code, but I run into this problem I have this class Inventory and ingredient. Within Inventory, there is an ArrayList of ingredients. I also have a function addIngredient in Inventory that adds an ingredient to the ArrayList. My problem is, after adding several ingredients to the ArrayList, each of the names of the Ingredients are all ... |
40. Using a string to define which variable to initialize? java-forums.orgI am very new to java so excuse me if I am asking the obvious. How can I get a variable name from a string? What I mean is, if I have the int value = "31415926", the String intName = "int2", and a bunch of ints named int1, int2, etc., how can I from that make it so int2 = ... |
41. Call a public string variable java-forums.orgpublic class InputDialogWithDropdownListbox{ public String input; public void drop(Valstybe G[], int n) { String[] ListZemynai = new String[10]; for(int i=0;i |
42. access java variable by string name forums.oracle.comIs there a way in java to set a variable by a string name like the $$ option in php? What I'm trying to do is set a global String variable from within a loop of key-value pairs. I want to be able to set each variable dynamically without knowing the variable name. Instead of doing this: this.myVar = newValue; I ... |
43. Variable string output forums.oracle.combeatjunkie wrote: i am a newbie compared to most of the java users here so forgive me for not understanding how replacing the for loop with a while loop would help output all of the users entries to the screen. Can you explain? The for loop is fixed. Think of a case where you feel that the maximum number of entries ... |
44. Variable doesn't seem to use proper String forums.oracle.comSorry to be rude but obviously I completely do not understand, I been programming in java for about a week now. Not very familiar with it. please shed some useful light on what you mean. Reposting what you said is unfortunately not pounding it into my head that I am unsure of what your talking about. |
45. java variable name is in a string forums.oracle.comhi, I have a class Formatlayout. Now i created the object: Formatlayout row = new Formatlayout(); Then I want to set the value of variable in the object row. I could do this by row.variable="x"; But the name of the variable that I want to set is Stored in a String. So it should be row.(name in the string)="x"; How can ... |
46. Unable to reference String variable within mouseAdapter class forums.oracle.comHi I am writing a java bean for use with an Oracle form. The bean colours a text item on the screen on mouse rollover. I would to suppress the colour change based on the value of a property set in the form. To implement this I have included a check on String in the mouseEntered method. I would like the ... |
47. Accessing variables with their names in a String Object forums.oracle.com |
48. How to assign the "this" variable to a String object/variable? forums.oracle.com |
49. How to swap two string variables without using a 3rd variable? forums.oracle.com |
50. Referring to a variable using a String. forums.oracle.comI have just started leaning Java after learning most of Flash AS3. I am currently trying to do something in Java that I could do in AS3. That something is referencing a variable using a string variable. Hopefully you will understand what I am trying to do by looking at my example below. int intVar = 42; String stringVar = "intVar"; ... |
51. How to create variable name from specified string? forums.oracle.comI would like to create a variable/object with the name from a provided string. So that later on I can refer to this variable by this name. For example, private void myFunc(String name){ MyObject |
52. Reference a String as Variable Name forums.oracle.comThank you both for your help. I am aware of arrays just not in Java, I use them with Python, Fortran and C a fair bit. I am by no means an expert programmer however. I was not aware that I could assign each checkbox as an element in an array with Java, thus I will have a look into this ... |
53. Using string as a variable forums.oracle.comHi everyone! I am starting to learn Java and I came up with a question. I have a string variable called pass, which stores the password. e.g -> String key = "myPassword"; And I have a to make a query to a Database and I need to write that password. e.g -> Query(..... username='Peter' and password='key'); The problem is that the ... |
54. The Definition of a String is the Name of the Variable i want to change forums.oracle.com |
55. Problem with String variable forums.oracle.comI am new to Java Programming. I have a line of code that works and does what is supposed to. faceData.getProfile("Lisa").removeFriend("Curtis"); If I assign the strings to variables such as- String name = "Lisa"; String fName = "Curtis"; and then plug those into the same line of code, it does not work faceData.getProfile(name).removeFriend(fName); What could be causing the problem? I even ... |
56. Using a string variable to create an object forums.oracle.comThe base class Receive does not have all the functionallity the derrived classes do. That's why I need to cast the object into the correct class type so I could call the methods of that class. In particular what I'm doing is starting a thread from the derrived class, which then executes a method from the that class. |
57. How can i initialize variables String[] ? (sorry if i'm flooding) forums.oracle.com |
58. How to save a string to a variable.. forums.oracle.com |
59. how to accomplish variable interpolation in a string forums.oracle.comIn Perl and PHP, you can interpolate variables directly in double-quoted string literals "foo $abc bar" is the same as the concatenation of "foo ", $abc, and " bar", but is much simpler to write Most languages, including Java, do not have this functionality. In particular, variable names are not prefixed with a sigil like "$" so it would be relatively ... |
60. Dynamic Variable name (for int/long) from a String variable forums.oracle.comWell you can't. Use a Map. The compiler translates variable names into slot numbers, either within an object or withing the local "stack frame" and these slot numbers are assigned names at compile time. No new slots can be created at run time. Java is not Basic. Reflection allows you to find existing field names and methods (not local variables), so ... |
61. Geting a variable from a String forums.oracle.com |
62. saving PrintStacktrace in string variable forums.oracle.com |
63. saving PrintStacktrace in string variable forums.oracle.com |
64. String as a variable name: is it possible? forums.oracle.comHello everybody! IS it possible in JAVA to use a string as a variable name?I explain better by saying what I have to do: I have 120 jTextFields named TextA1, TextA2, TextA3 .. TextA20, TextB1..., ...TextF20 (in total 6*20=120 textfields divided in 20 TabbedPanels containing 6 textfields each). In a for cycle i'd like to do something like this: for (int ... |
65. string variable forums.oracle.com |