Why is an interface be able to extend more than one interface but a class can’t extend more than one class?
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How to Sort Strings which are given in List and display in ascending order without using java api.
What is the main method java?
Write an algorithm program in java for the following question.. 1) S is a set of integers.X is an integer obtained by sum of two digits in S. Write logic for whether or not the X is from the S. The time of algorithm should not exceed o(n logn).
How is treeset implemented in java?
What is consumer interface?
can any body body expalin best definitions & best real time exaples for opps concepts.
What is java util concurrentmodificationexception?
can we declare private class in java file?
Suppose i have two threads t1 and t2 are running.How the main thread will know that the two threads t1,t2 execution has completed?
which class is the wait() method defined in? : Java thread
What are different types of control structures?
How do you compare two strings? any predefined method for this?