Answered: Explain the following code. public…

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

Explain the following code.
public class A
{
public void m()
{
System.out.println("Inside class A");
}
}
public class B extends A
{
public void m()
{
System.out.println("Inside class B");
}
}
public class StaticMethodTest
{
public static void main(String args[])
{
A ra1 = new A();
A ra2 = new B();
B rb = new B();
ra1.m();
ra2.m();
rb.m();
System.out.println();
ra1 = ra2;
ra1.m();
System.out.println();
//A.m();
//B.m();
}
}

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