what is the major difference between linkedlist and arraylist in java?
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What is difference between an object and a class?
class A { public void disp(int a,int b) { System.out.println("hai"); } } class B { public void disp(int a,int b,int c) { System.out.println("hai"); } } above program is overloading or overriding?
Wha is the output from system.out.println(“hello”+null); ?
Can we extend immutable class?
Is space a character in java?
Why is java multithreaded?
What is an exception?
Where is java located?
Can an object be garbage collected while it is still reachable?
How many types of design patterns are there?
What will be the initial value of an object reference which is defined as an instance variable?
What are the types of exceptions?