Is jdk required on each machine to run a java program?
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Difference between Encapsulation and Abstraction
Which is better singleton or static class?
how you will prevent method overriding?
What is nullpointerexception in java?
how to get the max salary and name of employee from arraylist without using the Comperator or even Comparable interface?
Why is singleton not thread safe?
Name the package that always imported by default?
Consider that class classA, abstract class classB, and final classC have been defined.Which one of the following is correct? 1. classA extends classC implements classB 2. class A extends classB, classC 3. classA extends classB 4. classB implements classC
How do you remove an element from an arraylist in java?
What is the formula to calculate percentage?
Explain enumeration in java?
What is the abstraction?