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How do I compare strings in Java?

I've been using the == operator in my program to compare all my strings so far. However, I ran into a bug, changed one of them into .equals() instead, and it fixed the bug. ...
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Python String and Integer concatenation [duplicate]

I want to create string using integer appended to it, in a for loop. Like this: 9 Answers ...
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.NET Format a string with fixed spaces

Does the .NET String.Format method allow placement of a string at a fixed position within a fixed length string. 10 Answers...
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String, StringBuffer, and StringBuilder

Please tell me a real time situation to compare String , StringBuffer , and StringBuilder ? 11 Answers ...
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Why does appending “” to a String save memory?

I used a variable with a lot of data in it, say String data . I wanted to use a small part of this string in the following way: ...
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When is it better to use String.Format vs string concatenation?

...t at all - and this concatenation version doesn't need to parse the format string. Format strings are great for purposes of localisation etc, but in a case like this concatenation is simpler and works just as well. With C# 6 String interpolation makes a lot of things simpler to read in C# 6. In t...
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Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?

Does javascript use immutable or mutable strings? Do I need a "string builder"? 10 Answers ...
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Difference between String replace() and replaceAll()

What's the difference between java.lang.String 's replace() and replaceAll() methods, other than later uses regex? For simple substitutions like, replace . with / , is there any difference? ...
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Immutability of Strings in Java

...bject, it's a reference to an object. "Hello" and "Help!" are two distinct String objects. Thus, str points to a string. You can change what it points to, but not that which it points at. Take this code, for example: String s1 = "Hello"; String s2 = s1; // s1 and s2 now point at the same string - "H...
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Replace part of a string with another string

Is it possible in C++ to replace part of a string with another string? 15 Answers 15 ...