Simple Java program for override

import java.io.*;
class First //superclass
{
int a,b;
First(int x,int y)
{
a=x;
b=y;
}
void print()
{
System.out.println("a="+a);
System.out.println("b="+b);
}}
class Second extends First
{
int c;
Second(int x,int y,int z)
{
super(x,y);
c=z;
}
void print(String msg)
{
System.out.println(msg);
}
void print()
{
System.out.println("c="+c);
}
}
class override
{
public static void main(String args[])
{
Second s1=new Second(10,20,30);
s1.print("the given number is");
s1.print();
}
}