gs gs111 Types of Classes (Using Java) - Base Class - Quiz No.1
gs gs111 OOP Object Oriented Programming Java Quiz
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class Base { void player1() { System.out.println("player1"); } } class Intermediate extends Base { void player2() { System.out.println("player2"); } } class SubClass extends Intermediate { void player3() { System.out.println("player3"); } public static void main(String args[]) { SubClass d=new SubClass(); d.player3(); } } player3 player2 player1player1 player2 player3 class Base { public void display() { System.out.println("Base class called"); } } class Derived extends Base { public void display() { System.out.println("Derived class called"); } public static void main(String[] args) { Base obj = new Derived(); obj.display(); } } Base class called Derived class calledDerived class called Base class called class Tier1 { public void Display() { System.out.println("Tier1"); } } class Tier2 extends Tier1 { public void Display() { System.out.println("Tier2"); } } class Tier3 extends Tier2 { public void Display() { super.super.Display(); System.out.println("Tier3"); } public static void main(String[] args) { Tier3 obj = new Tier3(); obj.Display(); } } Tier3 Tier2 Tier1 class SampleClass1 { System.out.println("Class1"); } class SampleClass2 { System.out.println("Class2"); } class Base extends SampleClass2, SampleClass1 { void display() { System.out.println("Inherited"); } public static void main(String[] args) { Base obj = new Base(); obj.Display(); } } Class2 Class1 InheritedInherited Class1 Class2 class Base { static void staticMethod() { System.out.println("Class X"); } } class Derived extends Base { static void staticMethod() { System.out.println("Class Y"); } public static void main(String[] args) { Base.staticMethod(); } } Class X Class Y class BaseClass { public static void main(String[] args) { String s = new String("HelloWorld"); Class strClass = s.getClass(); System.out.println("Base class of String: " + strClass.getSuperclass()); } } 
