When do we need to use internal iteration? When do we need to use external iteration?
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Can list have duplicates in java?
what is dynamic method dispatch ?
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What is the basic of java?
Which java collection does not allow null?
What are streams in java 8?
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Can a class extends itself in java?
what is sendredirect?
This is my code i have a doubt class ab implements a,b { public void add() { System.out.println("Hi") } } interface a { public void add(); } interface b { public void add(); } in this code i have two interface implemented in the class has same method.just i want to know which method of interface implemented in the class. interface a or interface b? confused me .
What is a singleton class in Java? And How to implement a singleton class?
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