Consider the following classes: public class Topl int x; public Top (int x) { this.x = x + 1; } public class Middle extends Top! public Middle (int y) { super (2+y); this.x = x - 1; } public class Bottom extends Middl public Bottom (int z) { super (2+3); } } In a program, if we have Top t = new Bottom (5); System.out.println( t.x = 10); what will be displayed to the screen?

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
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37, question is in Java, thanks
Consider the following classes:
public class Top{
int x;
public Top (int x) {
this.x = x + 1;
}
}
public class Middle extends Top {
public Middle (int y) {
super (2+y);
this.x = x - 1;
}
}
public class Bottom extends Middle {
public Bottom (int z) {
super (2+3);
}
}
In a program, if we have
Top t = new Bottom (5);
System.out.println( t.x = 10);
what will be displayed to the screen?
Note: x % 10 will be the right-most digit of x when x is a positive integer. For
example. 13 % 10 is 3. and 18628 % 10 is 8.
Transcribed Image Text:Consider the following classes: public class Top{ int x; public Top (int x) { this.x = x + 1; } } public class Middle extends Top { public Middle (int y) { super (2+y); this.x = x - 1; } } public class Bottom extends Middle { public Bottom (int z) { super (2+3); } } In a program, if we have Top t = new Bottom (5); System.out.println( t.x = 10); what will be displayed to the screen? Note: x % 10 will be the right-most digit of x when x is a positive integer. For example. 13 % 10 is 3. and 18628 % 10 is 8.
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