concatenation « string « Java Data Type Q&A

1. java String concatenation stackoverflow.com

I'm curious and wasn't sure, so i thought id ask: assuming String a and b.

a+=b
a.concat(b)

Under the hood are they the same thing? Edit: Here is concat decompiled as reference, I'd like to be able ...

2. Is there an elegant work around to concatenation? stackoverflow.com

I am writing a mad libs program for fun and to just program something. The program itself is pretty straight forward, but I find myself resorting to several concatenations due to ...

3. Slow string concatenation over large input stackoverflow.com

I've written an n-ary tree ADT which works fine. However, I need to store its serialization in a variable a calling class. eg.

 DomTree<String> a = Data.createTreeInstance("very_large_file.xml");
 String x ...

4. Benefits of MessageFormat in Java stackoverflow.com

In a certain Java class for a Struts2 web application, I have this line of code:

try {
    user = findByUsername(username);
} catch (NoResultException e) {
    throw ...

5. Method to concatenate 2 Strings in Java stackoverflow.com

I have a method in Java that concatenates 2 Strings. It currently works correctly, but I think it can be written better.

public static String concat(String str1, String str2) {
  ...

6. Help in debugging the string concatenation code stackoverflow.com

I have a code to concatenate strings. However, for some reason, the final string is not a combination of the required strings. Consider the following code :

//cusEmail is of type String[]
String ...

7. How Java do the string concatenation using "+"? stackoverflow.com

I read about the way Java works with += operator, using StringBuilder. Is it the same with a ("a" + "b") operation?

8. Can I specify what class to use for string concatenation when using a java compiler? stackoverflow.com

I have a java 1.5 compiler, and I'd prefer not to also have a 1.4 compiler, but I need to use it because, apart from string concatenation, everything built using the ...

9. String Usage in java stackoverflow.com

Consider am assigning the URL in the code below to a string, say

String link = "http://www.topix.com/rss/city/ellensburg-wa";

How should I use the string in the below code instead of the URL itself. Note: ...

10. Java String Concatenation stackoverflow.com

I have a issue with my java code. i asked the same question yesterday. I got answer but sorry it was my fault. My question is not clear. I have code ...

11. String concatenation in java stackoverflow.com

I have output from an old terminal system that needs to be concatenated. Here is an example of the output.

output1 = LINE ONE LINE TWO LINE THREE NO DATA LINE FOUR LINE FIVE LINE SIX ...

12. String Concatenation Finally coderanch.com

13. string concatenation coderanch.com

14. String Concatenation Finally coderanch.com

Hi All, This has probably been discussed many times. But I have categorised my doubts. I have lots of old servlets in which "+" operator has been used thousand times. On the profile it shows that string objects are the highest in number. They have been used like this: out.println("My Test Info "+info+" Is Not Recent. "+testNumber"+ Is Wrong. This needs ...

15. string concatenation in java : how come ?? coderanch.com

When u say string 1 = string2 + String 3; It does not append characters to the string referenced by string1. That's because Java strings are immutable, they don't change after they're created. What actually happens is that: 1 .StringBuffer is set up 2. string1 is copied to it 3. string 2 and string 3 are appended to the buffer The ...

16. String concatenation coderanch.com

17. string concatenation coderanch.com

Strings are indeed immutable, but "s" is not a String - it is a reference to a String object. As such, it can point to different objects over time. If you want "s" to be immutable, declare it "final" (which you can't do in this case because s is a local variable, but which would be possible if s was an ...

18. concatenation of Unicode strings coderanch.com

19. Concatenation with strings java-forums.org

I am trying to perform a concatenation of seven strings to form a sentence but the Java compiler says cannot be applied to... here is my code public class StringSentence { public static void main(String[] args) { String str1 = "This"; String str2 = " sentence"; String str3 = " is"; String str4 = " written"; String str5 = " using"; ...