public class Party { private int numofPeople; private double volumeOfMusic; /* missing constructor */ The following statement appears in a method in a class other than Party. t is intended to create a new Party object p with its attributes set to 10 and 5.0.

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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Consider the following class definition.
public class Party
{
private int numofPeople;
private double volumeOfMusic;
/* missing constructor * /
The following statement appears in a method in a class other than Party.
It is intended to create a new Party object p with its attributes set to 10 and 5.0.
Party p
new Party(10, 5.0);
Which of the following can be used to replace / * missing constructor */
so that the object p is correctly created?
a. public Party(int numOfPeople, double volumeOfMusic)
{
numofPeople = this.numOfPeople;
volumeOfMusic = this.volumeOfMusic;
}
b. public Party(int numofPeople, double volumeOfMusic)
{
this.numOfPeople = numOfPeople;
this.volumeOfMusic = volumeOfMusic;
c. public Party(int first, double second)
{
numOfPeople = 10;
volumeOfMusic = 5.0;
}
d. public Party(int first, double second)
{
first = numofPeople;
second = volumeOfMusic;
}
e. None of the above
Transcribed Image Text:Consider the following class definition. public class Party { private int numofPeople; private double volumeOfMusic; /* missing constructor * / The following statement appears in a method in a class other than Party. It is intended to create a new Party object p with its attributes set to 10 and 5.0. Party p new Party(10, 5.0); Which of the following can be used to replace / * missing constructor */ so that the object p is correctly created? a. public Party(int numOfPeople, double volumeOfMusic) { numofPeople = this.numOfPeople; volumeOfMusic = this.volumeOfMusic; } b. public Party(int numofPeople, double volumeOfMusic) { this.numOfPeople = numOfPeople; this.volumeOfMusic = volumeOfMusic; c. public Party(int first, double second) { numOfPeople = 10; volumeOfMusic = 5.0; } d. public Party(int first, double second) { first = numofPeople; second = volumeOfMusic; } e. None of the above
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