60 Program on Hierarchical Inheritance in Java

Code: // Program on hierarchical inheritance class Course { String insName = "Coding Atharva"; } class Java extends Co...

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99 Write a Java program to illustrate multilevel inheritance such that country is inherited from continent. State is inherited from country. Display the place, state, country and continent.

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

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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.

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

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

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

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

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

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

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

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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(); } */ ...

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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...

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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(...

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