public class FIRST {
static int A;
static String B;
public static void main(String arg[])
{
A=0;
B=null;
A=10;
B=" "+A; //Converting integer to string
System.out.print("VALUE OF A = "+A+"VALUE OF B = "+B);
}//main
}
output OF FIRST CLASS
VALUE OF A = 10 VALUE OF B =10

public class SECOND {
public static void main(String arg[])
{
FIRST o=new FIRST();
System.out.print("VALUE OF A = "+o.A+" VALUE OF B = "+o.B);
}//main
}
output OF SECOND  CLASS
VALUE OF A = 0 VALUE OF B =null