ABSTRACT CLASS AND INTERFACE INHERITANCE

ABSTRACT CLASS AND INTERFACE INHERITANCE

interface IF1{    void m1();     void m2();}
interface IF2{     void m3();}
abstract class AC1
{     
    abstract void m4();    
    public void m5()    
    {        
        System.out.println("THIS is method 5 in abstract class");    
    }
}
class Test1 extends AC1 implements IF1
{
    public void m1()    {        System.out.println("THIS is method 1 in Test1 class");    }
    public void m2()    {        System.out.println("THIS is method 2 in Test1 class");    }
    public void m4()    {        System.out.println("THIS is method 4 in Test1 class");    }
}
class Test2 extends Test1 implements IF2
{
    public void m3()
    {
        System.out.println("THIS is method 3 in Test2 class");
    }
    public void m6()
    {    
    System.out.println("THIS is method 6 in Test2 class");    
    }
}
class ApplyTest
{
    public static void main(String srgs[]){
    Test2 ob=new Test2();
    ob.m1();
    ob.m2();
    ob.m3();
    ob.m4();
    ob.m5();
    ob.m6();
}}