Show the output generated when this program is run by invoking:

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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... as well as this static class ...
public class Go {
public static void main (String[] args) {
Alpha a = new Beta(4);
a.show1();
a.show2();
a.show3();
Show the output generated when this program is run by invoking:
$ java Go
Transcribed Image Text:... as well as this static class ... public class Go { public static void main (String[] args) { Alpha a = new Beta(4); a.show1(); a.show2(); a.show3(); Show the output generated when this program is run by invoking: $ java Go
3. QUESTION: Consider the following two object classes ...
public class Alpha {
protected int _x;
public Alpha (int x) {
_x = x;
public void show1 () {
System.out.println("Alpha 1: " + _x);
public static void show2 () {
System.out.println("Alpha 2");
public void show3 () {
this.show2();
public class Beta extends Alpha {
private int _x;
public Beta (int x) {
super (x);
_x = x * 23;
public void show1 () {
System.out.println("Beta 1: " + _x + " " + super._x);
public static void show2 () {
System.out.println("Beta 2");
}
public void show3 () {
this.show2();
Transcribed Image Text:3. QUESTION: Consider the following two object classes ... public class Alpha { protected int _x; public Alpha (int x) { _x = x; public void show1 () { System.out.println("Alpha 1: " + _x); public static void show2 () { System.out.println("Alpha 2"); public void show3 () { this.show2(); public class Beta extends Alpha { private int _x; public Beta (int x) { super (x); _x = x * 23; public void show1 () { System.out.println("Beta 1: " + _x + " " + super._x); public static void show2 () { System.out.println("Beta 2"); } public void show3 () { this.show2();
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