Coding Atharva: Inheritance in Java

Code: import java.io.InputStreamReader; import java.io.BufferedReader; import java.io.IOException; class Continent { String con...

98 Create class student having method getdata() which should accept details of student such as rollno, name and marks of 3 subject. Extend class result from student. Define a method cal() in result to calculate the total and average of marks and display it.

Atharva Satyendra Agrawal March 20, 2019

Code: import java.util.Scanner; class Student { // Instance Variable int rollno,m1,m2,m3; String name; void getdata() { ...

77 Program on Up-casting & Down-casting in Java?

Atharva Satyendra Agrawal March 04, 2019

Code: import java.util.Scanner; class A { int a = 111 ; static int b =222; void m1() { System.out.println(" Super...

74 How to create Package in Different Location & How to Communicate?

Atharva Satyendra Agrawal March 03, 2019

Code: package ca; public class Test { public static void main(String args[] ) { System.out.println(" this is a package p...

73 How to Communicating with Different Locations Packages in a Single Program in Java?

Atharva Satyendra Agrawal March 03, 2019

A Code: package ram; public class A { public static int a = 111; } B Code: package sam; public class B { publ...

68 What is Co-Variant return type in Java?

Code 1 : class A { A m1() { return new A(); } } class B extends A { /* Valid A m1() { return new A(); } */ ...

72 How to Create Sub packages in Java?

Code: package com.atharva; public class Demo { public static void main( String args[] ) { System.out.println(" Sub Pac...

71 How to Create Program on Package in Current Location?

Code : package codingatharva; public class PackageDemo { public static void main( String args[] ) { System.out.println(...

70 Run time Polymorphism | Dynamic Binding | Late/Lazy Binding

Code : class A { void m1() { System.out.println(" super class m1() "); } } class B extends A { void m1() ...

69 Compile time polymorphism | Static polymorphism | Early Binding in Java

Code: class Test { static void m1() { System.out.println(" super class Test m1() "); } } class Demo extends Tes...

67 Method Overriding Rules for Exception in Java

Code: import java.io.*; class A { void m1() throws IOException { } } class B extends A { /* We Can write Same Class Ex...

66 Method Overriding in Java

Overriding toString() method. Code: package com.ca.atharva; class Student { int sid = 101; String sname = "ram"; ...

65 Program on Abstract Class, Interface and their Relations in Java ?

Code: interface I { public abstract void m1(); public abstract void m2(); } /* Relation: Interface to Interface */ interface J...

64 Interface in Java

Atharva Satyendra Agrawal March 01, 2019

Code: interface Vehicle { public abstract void windows(); public abstract void ac(); } class Car implements Vehicle { pub...

63 Whenever we create object for sub class JVM only provides memory for sub class not for super class

Atharva Satyendra Agrawal March 01, 2019

Code: class A { int a = 111; int b = 222; } class B extends A { int c = 333; int d = 444; B() { System.out.printl...

62 Program on How to Initialize the non-static / Instance Variable by using Constructor in Java

Atharva Satyendra Agrawal February 20, 2019

Code: //How to Initialize the non-static / Instance Variable by using Constructor import java.util.Scanner; class Account { long ...

61 Program on Multilevel inheritance in Java

Atharva Satyendra Agrawal February 20, 2019

Code: class A { int a = 111; static int b = 222; void m3() { System.out.println(" A-m3() "); } void m4() ...

59 Program on Single Level Inheritance in Java

Atharva Satyendra Agrawal February 20, 2019