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public class BClass { private int x; public void set(int a) { x = a; } public void print( { System.out.print(x); } public class DClass extends BClass { private int y; public void set(int a, int b) { //Postcondition: x =a; y=b; } public void print() {...} } a. Write the definition of the print method of DClass that overrides it. b. Write the definition of the method set of the class DClass.

public class BClass { private int x; public void set(int a) { x = a; } public void print( { System.out.print(x); } public class DClass extends BClass { private int y; public void set(int a, int b) { //Postcondition: x =a; y=b; } public void print() {...} } a. Write the definition of the print method of DClass that overrides it. b. Write the definition of the method set of the class DClass.

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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JAVA

```java public class BClass { private int x; public void set(int a) { x = a; } public void print() { System.out.print(x); } } public class DClass extends BClass { private int y; public void set(int a, int b) { //Postcondition: x = a; y = b; } public void print() { ... } } ``` a. Write the definition of the print method of DClass that overrides it. b. Write the definition of the method set of the class DClass.
Transcribed Image Text:```java public class BClass { private int x; public void set(int a) { x = a; } public void print() { System.out.print(x); } } public class DClass extends BClass { private int y; public void set(int a, int b) { //Postcondition: x = a; y = b; } public void print() { ... } } ``` a. Write the definition of the print method of DClass that overrides it. b. Write the definition of the method set of the class DClass.
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