Why you should not use singleton?
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What is binary tree in java?
Can we overload run() method in java?
What are variable arguments or varargs?
Say any two properties in beans?
Which method will get invoked first in a stand alone application?
How does map works in java?
How to excute - Interface - Inner class- method can any one tell how to execute/ call this main method public interface abc { static int i=0; void dd(); class a1 { a1() { int j; System.out.println("inside"); }; public static void main(String a1[]) { System.out.println("in interfia"); } } }
When is the finalize() called? What is the purpose of finalization?
What is a class object?
Explain the importance of throwable class and its methods?
What is the difference between Java Program Constructor and Java Program Method, What is the purpose of Java Program constructor Please Explain it Breafily?
which one the better thread emplemented thread or extended ?