callOverriding.java
package polymorphism.class1.Test1; public class callOverriding { public static void main(String[] args) { ParantClass parent = new ParantClass(); parent.showMsg(); int res1 = parent.calc(5,8); System.out.println("res1:"+res1); ParantClass obj = new SubClass(); obj.showMsg(); int res2=obj.calc(10,5); System.out.println("res2:"+res2); } }
ParantClass.java
public class ParantClass { public void showMsg(){ System.out.println("this is parent class msg"); } public int calc(int a,int b){ return a+b; } }
SubClass.java
public class SubClass extends ParantClass{ public void showMsg(){ System.out.println("this is sub class msg"); } public int calc(int a,int b){ return a-b; } }