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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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38, question is in Java, thanks
Consider the following classes: public class AA{ public int foo (int x) { return x-1; } } public class BB extends AA{ public int foo (int x) { } } public class CC extends BB public int foo (int x) { } } In a program, if we have return x + super.foo (2**); return (super.foo (x+2) + x) @ 10; AA thing = new CC (); System.out.println( thing.foo (6) ); 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 AA{ public int foo (int x) { return x-1; } } public class BB extends AA{ public int foo (int x) { } } public class CC extends BB public int foo (int x) { } } In a program, if we have return x + super.foo (2**); return (super.foo (x+2) + x) @ 10; AA thing = new CC (); System.out.println( thing.foo (6) ); 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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