1. Simple weird String assignment coderanch.comLet's dissect this, using the fact that + is left associative if used as a binary operator, and both + and - are also unary operators. +1+- - + - - + + 1+"" === (+1 is the same as 1, applied twice) 1+- - + - - + 1+"" === (+1 is the same as 1) 1+- - + - ... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
2. End of the string in java coderanch.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
3. String Reference - Doubt coderanch.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
4. not able get a string output coderanch.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
5. Create a 4GB string? coderanch.comYou know that characters in Java are Unicode (UTF-16) and take up 16 bits, right? So should your "4 GB" string be two giga-characters? You did say you were putting it in a CLOB in Oracle, so the answer to that question might require finding out whether Oracle is using UTF-16 too, or something else. Although I wouldn't worry too much ... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
6. Strings coderanch.com== checks for reference equality. String literals are always taken from the String pool and will therefore be equal (==). In your first example you create a brand new String which is of course a different object. That's why == returns false. The moral of the story: always use the equals method when comparing Strings. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
7. Assignments on Strings coderanch.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
8. Need String program coderanch.comOkay. Let's go step-by-step. First of all, I don't think any method from the java.lang.String class would readily give you "bgr" from "bangalore" (Somebody correct me if I'm wrong here). There are 2 ways you can achieve this (maybe more, but of the top of my head, I can think of only these 2): 1. Use the substring() method to get ... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
9. Creating new Strings coderanch.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
10. Problem with getResource(String) method coderanch.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
11. a question on creating string object. coderanch.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
12. Help with String conversions coderanch.comexamples are nice, but they don't define the conditions. You need to give explicit rules on when you need to insert a hyphen and when you don't. Once you define the rules, coding is easy. So, what are the rules? is any 't' character followed by a space, followed by a word to be combined? same with 'e' followed by space? ... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
13. Help with simple String? coderanch.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
14. how many objects with new String statemtn coderanch.comhello while reading book of sierra for java , i came to read about below statement that String str2 = new String("Hello"); there are two objects created . One on heap , referenced by str2 and one in string pool. After reading , I tried to replicate the same in code, and tried system.out.println(str2==str2.intern()); --as per book statement , one object ... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
15. Strings coderanch.comclass Test2 { public static void main (String args []) { String s1 = "Hello"; String s2= s1; System.out.println(s1 + "equals" + s2 + s1.equals(s2)); System.out.println(s1 + "==" + s2 + (s1 == s2)); s1 = s2; System.out.println(s1 + "==" + s2 + (s1 == s2)); System.out.println("value of s1" + s1); System.out.println("value of s2" + s2); s2= null; System.out.println("value of s1" ... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
16. to divide a string coderanch.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
17. Doubt relating to String coderanch.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
18. Connection Factory (Connection String) coderanch.comHi guys, please help me I have the following class Vide: package br.com.caelum.tarefas; import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; public class ConnectionFactory { public Connection getConnection() throws SQLException { System.out.println("conectando..."); try { Class.forName("com.mysql.jdbc.Driver"); } catch (ClassNotFoundException e) { throw new SQLException(e); } return DriverManager.getConnection("jdbc:mysql://localhost/fj21", "root", "root"); } } I would like to know if were the login entered wrong insted of ... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
19. Filtering string coderanch.comHello fellow ranchers, This is the scenario: I have string: "In this game you play as a young man coming to Leaf Valley to start a farm, there you find the" I have file with list of keywords: play man bolt hula boolean detectWords(String toBeFiltered, File fileOfKeywords); So basically I just want to find out if "any" of the keywords are ... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
20. String.class - What member is this ? coderanch.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
21. The method foo(String) is undefined for the type Bar coderanch.comHi, I am using Eclipse and I created an additional package to the "default" one , named "alex", in the "...\alex\src\" . "default" is in the same directory. In the default package I have a file "Clasa.java": import alex.Print.*; public class Clasa { public static void main(String[] args) { print("Hello world !"); } } In the additional one I have a ... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
22. Java adding infinte strings coderanch.comThis is the code i have and i need to find a way to add the data inputed together so its all one string like the count++ thing where it adds to the count for each input. so if a 'd' then 'f' then '$' is input the it would add them together in the variable "mixTotal = df$"ot sure how ... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
23. an API to minified a string ? coderanch.comAnd minification is a bit more than just removing whitespaces. First, only the whitespace that don't effect the functionality of a program is removed -- as removing the whitesppace in a string to be printed does affect the program. Second, comments must also be removed -- as removing carriage returns will chain the comments otherwise. This can get complex if you ... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
24. Why String is a final class..? coderanch.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
25. string question coderanch.comIn the first case all the strings created before the last statement are became orphan. Since they are not assigned to any variables they are eligible for Garbage Collection. In the second case all the strings are pointing to some variables so, they are not eligible for Garbage Collection. Hope you got the reason why first case is optimum. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
26. Scrolling String - Change of Speed coderanch.comHey, I have written a script for my Computer Science 120 course. The only problem is that I don't understand why the first string moves fast, and then the other four do not move as quickly. I thought it had to do with the runner.sleep(time); method, so I threw that into every scrolling statement. However, this didn't solve the problem or ... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
27. string[] modification coderanch.comI have a hashMap. Its key is some string object, the value is a fixed size string array. Initially I need all the elements in the string[] be null or "" (empty string). Then I want to retrieve a value from a hashmap and modify that string array. Then I want to retrieve the modified string[] which is the value in ... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
28. String immutability coderanch.comNeelima Mohan wrote:why was String class made final and String made immutable? I have heard answers like better memory mgmt as lot of similar String literals gets formed and its best way is to maintain the String pool. Has security got to do with it? Thanks, Neelima As for why they made it final, the books say that String is used ... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
29. String creation coderanch.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
30. How to make String Class Mutable coderanch.comAre the private fields of String part of this documentation? I think not. And that's why Sun is allowed to change them completely, as long as the public and protected members do not change. Anything not documented (i.e. not in the API) should be considered as a black box and no assumptions should be made about them. That includes Sun's classes ... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
31. I compared two Strings with == and it worked???? coderanch.comHello everybody. So i've been learning java for a few months and i quickly found out when you try to compare Strings with == it doesn't work, and that to compare objects you have to use the .equals() method. However I have just started learning about GUIs and actionListeners and i wrote a program and accidentally tried to compare two strings ... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
32. Running syntax stored in String coderanch.comI'm still not sure I understand exactly what you're doing, but as a start you could use a Map | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
33. How to put '&' in request query string coderanch.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
34. Using String... instead of String[] coderanch.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
35. No. of String Objects coderanch.comI don't remeber where do I read that during String initialization which involves concatenating what really happens (internally) is that a StringBuffer is created, then the append method is used to add each String and finally it's toString method is invoked. According to that, the answer to your question would be: 1. Only one String object is created. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
36. identify data type in string? coderanch.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
37. Why String methods and class both are final? coderanch.comsanthosh.R gowda wrote:Dear All As we know if we make class final the class cant be extend by another class so my question is if we make class final what is the use of making methods final even though we cant override that method because we cant extending the class so why in java API String methods are final Sorry to ... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
38. String coderanch.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
39. Awkward query on String coderanch.comEvery reference variable has a Class | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
40. This method must return a result of type String coderanch.comPlease help to fix the following error. Exception in thread "main" java.lang.Error: Unresolved compilation problem: This method must return a result of type String at ReadIniFile.getCode(ReadIniFile.java:8) at ReadIniFile.main(ReadIniFile.java:43) import java.io.BufferedReader; import java.io.File; import java.io.FileReader; import java.io.FileNotFoundException; import java.io.IOException; public class ReadIniFile { public String getCode(String filename) { File file = new File(filename); BufferedReader reader = null; try { reader = new ... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
41. How can we create our own String class in java? coderanch.comJames Elsey wrote:Not sure how you'd create a String-a-like, anyone have any ideas? Possibly do something with character arrays Bingo. That's exactly how java.lang.String (currently) does it. It has three fields for this: - a char[] to store the characters - an int that marks the index in the array of the first character - an int that marks ... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
42. String coderanch.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
43. New String coderanch.comString a = "a"; String a = new String("a"); In both cases the literal value "a" is a compile-time constant that will end up in the String contant pool. At runtime the former will always refer to the String object in the constant pool, so you don't end up with lots of String objects that represent the same value. The latter ... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
44. Factoring out strings coderanch.comHi, I am trying to factor out strings in my java code. I am using the Eclipse SDK (Galileo) 3.5.2 Version. I tried using the "Externalize Strings" widget of Eclipse. But, I am not getting the expected results. Before Externalizing: package org.libx.libappdatabase; public class StringExternalize { public StringExternalize () { String abc = "abc"; String xyz = "xyz"; } } After ... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
45. Execute java statement stored in string coderanch.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
46. Strings coderanch.comHi.. One can loop through the string by converting is to a character array. One can check the ASCII value of the character, if ASCII doesn't satisfy our requirement we can change that character to the desired char(b). For this a method can be created which will have the string(need to be modified) and the highest alphabet (ASCII or char) as ... | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
47. String coderanch.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
48. String manipulattion coderanch.comto : Henry Wong Sir, Thank you for the response. 1.Here is the file sample "
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||