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Reverse a string in Java
...lder(hi).reverse().toString()
Or, for versions earlier than JDK 1.5, use java.util.StringBuffer instead of StringBuilder — they have the same API. Thanks commentators for pointing out that StringBuilder is preferred nowadays when there is no concurrency concern.
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How do you specify the Java compiler version in a pom.xml file?
...er-plugin/examples/set-compiler-source-and-target.html
Oh, and: don't use Java 1.3.x, current versions are Java 1.7.x or 1.8.x
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In HTML5, is the localStorage object isolated per page/domain?
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Mark Amery
98.9k4848 gold badges336336 silver badges379379 bronze badges
answered Nov 22 '10 at 6:52
sebarmelise...
Why would a static nested interface be used in Java?
...were public, or if the class were hand-assembled or compiled from some non-Java language, etc. The Java compiler, however, checks the access modifier on the enclosing class even when the resulting bytecode would not refer to that enclosing class.
– Jesse Glick
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Best way to convert an ArrayList to a string
...tring);
In fact, a string concatenation is going to be just fine, as the javac compiler will optimize the string concatenation as a series of append operations on a StringBuilder anyway. Here's a part of the disassembly of the bytecode from the for loop from the above program:
61: new #13; //...
Java's Virtual Machine and CLR
...s a sort of follow up to the question called Differences between MSIL and Java bytecode? , what is the (major) differences or similarity in how the Java Virtual Machine works versus how the .NET Framework Common Language Runtime (CLR) works?
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Does java.util.List.isEmpty() check if the list itself is null? [duplicate]
Does java.util.List.isEmpty() check if the list itself is null , or do I have to do this check myself?
8 Answers
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Getting URL hash location, and using it in jQuery
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Mark Amery
98.9k4848 gold badges336336 silver badges379379 bronze badges
answered Nov 30 '09 at 21:46
Christian ...
Calling Java varargs method with single null argument?
If I have a vararg Java method foo(Object ...arg) and I call foo(null, null) , I have both arg[0] and arg[1] as null s. But if I call foo(null) , arg itself is null. Why is this happening?
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string to string array conversion in java
...ame";
I want to convert into a string array.
How do I do it?
Is there any java built in function? Manually I can do it but I'm searching for a java built in function.
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