What about abstract classes in java?
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What is variable declaration and definition?
What is emant by API? is it related to java only or it is common for all OOPS supporting language?
When we should use serialization?
What is the importance of hashcode() and equals() methods?
What is difference between length and length() method in java ?
What do you understand by casting in java language?
what are the differences between java and .net?..why u choose java?
How can you debug the Java code?
What are the core java topics?
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 HashTable?
What is the difference between public, private, protected, and friend access?