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java Programming Glossary: getsomethingMost specific method with matches of both fixed/variable arity (varargs) http://stackoverflow.com/questions/1321657/most-specific-method-with-matches-of-both-fixed-variable-arity-varargs For example public interface SomeApi public String getSomething String arg method 1 public String getSomething String ... args.. String getSomething String arg method 1 public String getSomething String ... args method 2 Compiles just fine as one would expect.. calling code compiles also SomeApi api ... Object o api.getSomething Hello and if you run it method #1 i.e. the non varargs method..
Demonstrate covariance and contravariance in Java? http://stackoverflow.com/questions/2501023/demonstrate-covariance-and-contravariance-in-java improve this question Covariance class Super Object getSomething class Sub extends Super String getSomething Sub#getSomething.. Super Object getSomething class Sub extends Super String getSomething Sub#getSomething is covariant because it returns a subclass.. class Sub extends Super String getSomething Sub#getSomething is covariant because it returns a subclass of the return type..
JAVA: Concurrency control for access to list in java http://stackoverflow.com/questions/3943223/java-concurrency-control-for-access-to-list-in-java public void mainThread while true originalList.add getSomething public void workerThread while true List Foo copiedList synchronized.. public void mainThread while true originalList.add getSomething public void workerThread while true for Foo f originalList.toArray..
What is the difference between synchronized(this) and synchronized method http://stackoverflow.com/questions/4394976/what-is-the-difference-between-synchronizedthis-and-synchronized-method say we have these 2 sample code public synchronized void getSomething this.hello hello World and this one public void getSomething.. this.hello hello World and this one public void getSomething synchronized this this.hello hello World So some one can tell..
Why can't you have multiple interfaces in a bounded wildcard generic? http://stackoverflow.com/questions/6643241/why-cant-you-have-multiple-interfaces-in-a-bounded-wildcard-generic public class Test static interface A public int getSomething static interface B public int getSomethingElse static class.. A public int getSomething static interface B public int getSomethingElse static class AandB implements A B public int getSomething.. static class AandB implements A B public int getSomething return 1 public int getSomethingElse return 2 Notice the multiple..
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