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
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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Question
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Java
![```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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb64c1c6f-d4d7-4d8b-8ebe-5eadb49feddc%2Fdee71c3c-5966-478c-9ef1-5cabbcba9683%2Feynca5i_processed.png&w=3840&q=75)
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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