What is java and their uses?
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How is a structure different from array ?
Is final static java?
Name few java util classes introduced with java 8 ?
What is string pool?
import java.io.*; class Demo { public static void main(String args[]) { File f=new File("1234.msg"); String arr[]=f.list(); System.out.println(arr.length); } }
Can a main method be overloaded?
Difference between association, composition and aggregation?
is it mandatory to deaclare all variables public static fianl in interfaces?if i declare like in the below program, public interface A { public static final int I=0; int j=0; } in interface A,what is the difference between I,j?
when we have to use final class in java?
What is the size of a string in java?
What is method and methodology?
What is finalize method?