Why char array is preferred over string for storing password?
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How list contains works in java?
What is the immediate parent class of the Applet class?
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?
how to make hashmap object as synchronized object?
i need income tax program using java inheritance concept. could u please help me?
int a=1,b=10; System.out.println(a+b--);
What is the scope or life time of instance variables?
who can we create the object of a class? in how many ways we can create it (max 5)
How do you declare a destructor in java?
What is a static class in java?
Why do we need variables?
What is a boolean structure?