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4. public abstract class Test2 { private int x private int y; public abstract void display(); public void print(int x, int y) { this.x=x; this.y=y; } } Which two classes use Test2 class correctly? a. public class Circle implements Test2{ private int radius; } b. public abstract class Circle extends Test2 { private int radius; } c. public class Circle extends Test2{ private int radius; public void print(); } d. public class Circle extends Test2 { private int radius; public void print(){ insert code here } } e. public abstract class Circle implements Test2 { private int radius;

4. public abstract class Test2 { private int x private int y; public abstract void display(); public void print(int x, int y) { this.x=x; this.y=y; } } Which two classes use Test2 class correctly? a. public class Circle implements Test2{ private int radius; } b. public abstract class Circle extends Test2 { private int radius; } c. public class Circle extends Test2{ private int radius; public void print(); } d. public class Circle extends Test2 { private int radius; public void print(){ insert code here } } e. public abstract class Circle implements Test2 { private int radius;

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
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help me answer this java language

4. public abstract class Test2 { private int x; private int y; public abstract void display(); public void print(int x, int y) { this.x=x; this.y=y; } } Which two classes use Test2 class correctly? a. public class Circle implements Test2{ private int radius; } b. public abstract class Circle extends Test2 { private int radius; } c. public class Circle extends Test2{ private int radius; public void print(); } d. public class Circle extends Test2 { private int radius; public void print(){ insert code here } } e. public abstract class Circle implements Test2 { private int radius; public void print({ insert code here } } a b e
Transcribed Image Text:4. public abstract class Test2 { private int x; private int y; public abstract void display(); public void print(int x, int y) { this.x=x; this.y=y; } } Which two classes use Test2 class correctly? a. public class Circle implements Test2{ private int radius; } b. public abstract class Circle extends Test2 { private int radius; } c. public class Circle extends Test2{ private int radius; public void print(); } d. public class Circle extends Test2 { private int radius; public void print(){ insert code here } } e. public abstract class Circle implements Test2 { private int radius; public void print({ insert code here } } a b e
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