How do you add an element to a hashset in java?
I want to persist data of objects for later use. What’s the best approach to do so?
Can you change array size in java?
How the metacharacters are different from the ordinary characters?
What is thread pool? How can we create thread pool in java?
What is difference between static and final?
What do you mean by stream pipelining in java 8?
Can java list contain duplicates?
These static constructors are correct ? class A { statc intA() { } static A(int x,int y) { } static A(int x) { } }
What are thread local variables?
What is System class and its purpose?
How applets will communicate with each other?
What is the old name of java?