Interface

13. Program

//Find the O/P ?

interface A { void test1(); } interface B { void test2(); } class C implements A, B { public void test1() { System.out.println("test1"); } public void test2() { System.out.println("test2"); } public static void main(String[] args) { C c1 = new C(); c1.test1(); c1.test2(); System.out.println("Done"); } }

14. Program

//Find the O/P ?

interface H { void test1(); } interface I { void test2(); } interface F { void test3(); } class G implements H, F, I { public void test1() { System.out.println("test1"); } public void test2() { System.out.println("test2"); } public void test3() { System.out.println("test3"); } public static void main(String[] args) { G g1 = new G(); g1.test1(); g1.test2(); g1.test2(); System.out.println("Done"); } }

15. Program

//Find the O/P ?

interface H { void test1(); } interface I { void test2(); } interface J { void test3(); } abstract class K implements H, I, J { public void test2() { System.out.println("test2"); } } class L extends K { public void test1() { System.out.println("test1"); } public void test3() { System.out.println("test3"); } public static void main(String[] args) { L l1 = new L(); l1.test1(); l1.test2(); l1.test3(); System.out.println("Done"); } }

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