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Predicate in Java
I am going through the code which uses Predicate in Java. I have never used Predicate . Can someone guide me to any tutorial or conceptual explanation of Predicate and its implementation in Java?
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Is there a destructor for Java?
Is there a destructor for Java? I don't seem to be able to find any documentation on this. If there isn't, how can I achieve the same effect?
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Choose between ExecutorService's submit and ExecutorService's execute
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I mean 'wrapped in a Future or not', of course. See the Javadoc for ScheduledThreadPoolExecutor#execute, for example.
– rxg
Jun 13 '13 at 9:28
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How to decompile a whole Jar file? [closed]
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2009: JavaDecompiler can do a good job with a jar: since 0.2.5, All files, in JAR files, are displayed.
See also the question "How do I “decompile” Java class files?".
The JD-Eclipse doesn't seem to have changed since late 200...
How do you kill a Thread in Java?
How do you kill a java.lang.Thread in Java?
16 Answers
16
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How do I find out what keystore my JVM is using?
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Your keystore will be in your JAVA_HOME---> JRE -->lib---> security--> cacerts. You need to check where your JAVA_HOME is configured, possibly one of these places,
Computer--->Advanced --> Environment variables---> JAVA_HOME
Your ...
How should I have explained the difference between an Interface and an Abstract class?
..... sure it's a nice technique. I suppose it's also worth pointing out that Java 8 has finally admitted that C++ was right and that multiple inheritance can be done and can have a use and so interfaces can now define not just function signatures but also provide default implementations. As such, usin...
What's the best way to build a string of delimited items in Java?
While working in a Java app, I recently needed to assemble a comma-delimited list of values to pass to another web service without knowing how many elements there would be in advance. The best I could come up with off the top of my head was something like this:
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Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize
When building a Java 8 project with Maven:
8 Answers
8
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How do I get my Maven Integration tests to run
...ct and in each of my child modules I have JUnit tests that are named Test.java and Integration.java for unit tests and integration tests respectively. When I execute:
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