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What's the simplest way to print a Java array?
In Java, arrays don't override toString() , so if you try to print one directly, you get the className + '@' + the hex of the hashCode of the array, as defined by Object.toString() :
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Multi-line tooltips in Java?
I'm trying to display tooltips in Java which may or may not be paragraph-length. How can I word-wrap long tooltips?
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How to catch an Exception from a thread
I have Java main class, in the class, I start a new thread, in the main, it waits until the thread dies. At some moment, I throw a runtime exception from the thread, but I can't catch the exception thrown from the thread in the main class.
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Java: How to convert List to Map
...olleague about what would be the optimal way to convert List to Map in Java and if there any specific benefits of doing so.
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How good is Java's UUID.randomUUID?
...ability for collision in theory, but I am wondering, in practice, how good Java's randomUUID() is in terms of not having collision? Does anybody have any experience to share?
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How are Anonymous inner classes used in Java?
What is the use of anonymous classes in Java? Can we say that usage of anonymous class is one of the advantages of Java?
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Why doesn't Java support unsigned ints?
Why doesn't Java include support for unsigned integers?
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decompiling DEX into Java sourcecode
How can one decompile Android DEX (VM bytecode) files into corresponding Java sourcecode?
17 Answers
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Difference between java.lang.RuntimeException and java.lang.Exception
Someone please explain the difference between java.lang.RuntimeException and java.lang.Exception ? How do I decide which one to extend if I create my own exception?
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Java multiline string
...Stephen Colebourne has created a proposal for adding multi-line strings in Java 7.
Also, Groovy already has support for multi-line strings.
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