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public elass Greek int i-l; public int getI() System.out.print ("Super"); return i; public statie void main(String args (1) Greek ga-new Arabik ();. System.out.print (ga.1+" "+ga.getI()); public elans Arabik extends Greek int ie2; public int getI() System.out.print{"Sub"); return i;

public elass Greek int i-l; public int getI() System.out.print ("Super"); return i; public statie void main(String args (1) Greek ga-new Arabik ();. System.out.print (ga.1+" "+ga.getI()); public elans Arabik extends Greek int ie2; public int getI() System.out.print{"Sub"); return i;

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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```java public class Greek { int i=1; public int getI() { System.out.print("Super"); return i; } public static void main(String args[]) { Greek ga=new Arabik(); System.out.print(ga.i+" "+ga.getI()); } } public class Arabik extends Greek { int i=2; public int getI() { System.out.print("Sub"); return i; } } ``` ### Explanation: This snippet is a simple Java program demonstrating inheritance and method overriding. - **Greek Class**: - Contains an integer `i` initialized to 1. - Has a method `getI()` that prints "Super" and returns `i`. - **Arabik Class**: - Extends `Greek`, thus inheriting its properties and methods. - Overrides `i` with value 2. - Overrides the `getI()` method to print "Sub" before returning `i`. - **Main Method**: - Creates an instance of `Arabik` but assigns it to a reference of type `Greek`. - Calls `getI()` method and prints `ga.i` and the result of `ga.getI()`. - Demonstrates polymorphism, where `getI()` of `Arabik` is called instead of `Greek` due to runtime method binding. This example illustrates important Java concepts such as inheritance, polymorphism, and method overriding.
Transcribed Image Text:```java public class Greek { int i=1; public int getI() { System.out.print("Super"); return i; } public static void main(String args[]) { Greek ga=new Arabik(); System.out.print(ga.i+" "+ga.getI()); } } public class Arabik extends Greek { int i=2; public int getI() { System.out.print("Sub"); return i; } } ``` ### Explanation: This snippet is a simple Java program demonstrating inheritance and method overriding. - **Greek Class**: - Contains an integer `i` initialized to 1. - Has a method `getI()` that prints "Super" and returns `i`. - **Arabik Class**: - Extends `Greek`, thus inheriting its properties and methods. - Overrides `i` with value 2. - Overrides the `getI()` method to print "Sub" before returning `i`. - **Main Method**: - Creates an instance of `Arabik` but assigns it to a reference of type `Greek`. - Calls `getI()` method and prints `ga.i` and the result of `ga.getI()`. - Demonstrates polymorphism, where `getI()` of `Arabik` is called instead of `Greek` due to runtime method binding. This example illustrates important Java concepts such as inheritance, polymorphism, and method overriding.
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