Give us the name of the list layoutmanagers in java?
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What is the finalize method do?
why java does not support mulitple inheritance directly?
What is broken and continue statement?
How to do a true java ping from windows?
What is heterogeneous in java?
What is object-oriented programming?
What is java oops?
What is difference between call by value and call by reference?
Explain the difference between association, aggregation and inheritance relationships.
public class Garbage { int a=0; public void add() { int c=10+20; System.out.println(c); System.out.println(a); } public static void main(String args[]) { Garbage obj=new Garbage(); System.gc(); System.out.println("Garbage Collected"); obj.add(); } } Above is a code in java used for garbage collection. object obj has been created for the class Garbage and system.gc method is called. Then using that object add method is called.System.gc method if called the obj should be garbage collected?
Print Vertical traversal of a Binary Tree.
What is the common usage of serialization?