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Strings are objects in Java, so why don't we use 'new' to create them?
...ring literals [ie, Strings like "abcd" but not like new String("abcd")] in Java are interned - this means that every time you refer to "abcd", you get a reference to a single String instance, rather than a new one each time. So you will have:
String a = "abcd";
String b = "abcd";
a == b; //True
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At runtime, find all classes in a Java application that extend a base class
...n, InstantiationException {
Reflections reflections = new Reflections("java.util");
Set<Class<? extends List>> classes = reflections.getSubTypesOf(java.util.List.class);
for (Class<? extends List> aClass : classes) {
System.out.println(aClass.getName());
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Why don't Java's +=, -=, *=, /= compound assignment operators require casting?
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A likely reason to why the Java compiler adds a typecast is because if you're trying to perform arithmetic on incompatible types, there is no way of performing a typecast of the result using the contracted form. A typecast of the result is generally mo...
Search and replace in Vim across all the project files
... On Mac OS X the only sed command that worked for me was: find . -type f | LANG=C xargs sed -i '' 's/SEARCH/REPLACE/g'
– ghodss
Sep 15 '15 at 7:39
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“Code too large” compilation error in Java
Is there any maximum size for code in Java? I wrote a function with more than 10,000 lines. Actually, each line assigns a value to an array variable.
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Java - removing first character of a string
In Java, I have a String:
12 Answers
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What are the main uses of yield(), and how does it differ from join() and interrupt()?
I am a little bit confused about the use of yield() method in Java, specifically in the example code below. I've also read that yield() is 'used to prevent execution of a thread'.
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What code analysis tools do you use for your Java projects? [closed]
What code analysis tools do you use on your Java projects?
12 Answers
12
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What's the equivalent of Java's Thread.sleep() in JavaScript? [duplicate]
What's the equivalent of Java's Thread.sleep() in JavaScript?
9 Answers
9
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Measure execution time for a Java method [duplicate]
How do I calculate the time taken for the execution of a method in Java?
8 Answers
8
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