• Write the definition of the default constructor of YClass so that the instance variables of YClass are initialized to 0. • Write the definition of the default constructor of XClass so that the instance variables of XClass are initialized to 0. Write the definition of the method two of YClass so that the instance variable a is initialized to the value of the first parameter of two and the instance variable b is initialized to the value of the second parameter of two.

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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Please I want solutions:( 

 

In JAVA 

Q2:
Consider the following statements:
public class YClass
{
private int a;
private int b;
public void one()
{
public void two(int x, int y);
{
public YClass()
{
}
}
class XClass extends YClass
{
private int z;
public void one()
{
public XClass()
{
}
}
YClass yObject;
XClass xObject;
• Write the definition of the default constructor of YClass so that
the instance variables of YClass are initialized to 0.
• Write the definition of the default constructor of XClass so that
the instance variables of XClass are initialized to 0.
• Write the definition of the method two of YClass so that the
instance variable a is initialized to the value of the first
parameter of two and the instance variable b is initialized to
the value of the second parameter of two.
Transcribed Image Text:Q2: Consider the following statements: public class YClass { private int a; private int b; public void one() { public void two(int x, int y); { public YClass() { } } class XClass extends YClass { private int z; public void one() { public XClass() { } } YClass yObject; XClass xObject; • Write the definition of the default constructor of YClass so that the instance variables of YClass are initialized to 0. • Write the definition of the default constructor of XClass so that the instance variables of XClass are initialized to 0. • Write the definition of the method two of YClass so that the instance variable a is initialized to the value of the first parameter of two and the instance variable b is initialized to the value of the second parameter of two.
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