Introduction to Java Programming and Data Structures: Brief Version (11th Global Edition)
11th Edition
ISBN: 9780134671710
Author: Y. Daniel Liang
Publisher: PEARSON
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Textbook Question
Chapter 9.12, Problem 9.12.3CP
Is the following class immutable?
public class A {
private int[] values;
public int[] getValues() {
return values;
}
}
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For the following four classes, choose the correct relationship between each pair.
public class Room (
private String m type;
private double m area;
// "Bedroom", "Dining room", etc.
// in square feet
public Room (String type, double area)
m type
type;
m area
= area;
public class Person {
private String m name;
private int m age;
public Person (String name, int age)
m name
= name;
m age = age;
public class LivingSSpace (
private String m address;
private Room[] m rooms;
private Person[] m occupants;
private int m countRooms;
private int m countoccupants;
public LivingSpace (String address, int numRooms, int
numoccupants)
m address =
address;
new int [numRooms];
= new int [numOceupants];
m rooms
%3D
D occupants
m countRooms = m countOccupants = 0;
public void addRoom (String type, double area)
public class Number { private int num; public Number(int n) { num = n; }
/* Type your code here */ public int getNum() { return num; } public void setNum(int n) { num = n; }
public static void main(String [] args) { Number yourNum = new Number(723); System.out.print(yourNum); }}
class Point
{
private:
int x,
y ;
public:
: x(u), y(v) {}
Point (int u, int v)
int getX) { return x; }
int getY () { return y; }
void doubleVal()
{
*= 2:
y
*= 2;
}
};
int main ()
{
const Point myPoint (5, 3)
myPoint.doubleVal() ;
cout << myPoint.getX() << " "
return 0;
<< myPoint.getY() << "\n";
}
Chapter 9 Solutions
Introduction to Java Programming and Data Structures: Brief Version (11th Global Edition)
Ch. 9.3 - Prob. 9.3.1CPCh. 9.3 - How do you define a class?Ch. 9.3 - How do you declare an objects reference variable?Ch. 9.3 - How do you create an object?Ch. 9.4 - Prob. 9.4.5CPCh. 9.4 - When will a class have a default constructor?Ch. 9.5 - Which operator is used to access a data field or...Ch. 9.5 - What is an anonymous object?Ch. 9.5 - Prob. 9.5.3CPCh. 9.5 - Is an array an object or a primitive-type value?...
Ch. 9.5 - Prob. 9.5.5CPCh. 9.5 - What is wrong in the following code? 1. class Test...Ch. 9.5 - Prob. 9.5.7CPCh. 9.6 - Prob. 9.6.1CPCh. 9.6 - Prob. 9.6.2CPCh. 9.6 - Which packages contain the classes Date, Random,...Ch. 9.7 - Suppose the class F is defined in (a). Let f be an...Ch. 9.7 - Prob. 9.7.2CPCh. 9.7 - Can you invoke an instance method or reference an...Ch. 9.9 - Prob. 9.9.1CPCh. 9.9 - Prob. 9.9.2CPCh. 9.9 - In the following code, radius is private in the...Ch. 9.10 - Prob. 9.10.1CPCh. 9.10 - Show the output of the following program: public...Ch. 9.10 - Show the output of the following code:Ch. 9.10 - Prob. 9.10.4CPCh. 9.11 - What is wrong in the following code? 1public class...Ch. 9.12 - If a class contains only private data fields and...Ch. 9.12 - If all the data fields in a class are private and...Ch. 9.12 - Is the following class immutable? public class A {...Ch. 9.13 - What is the output of the following program?...Ch. 9.14 - Prob. 9.14.2CPCh. 9.14 - Prob. 9.14.3CPCh. 9 - (The Rectangle class) Following the example of the...Ch. 9 - (The Stock class) Following the example of the...Ch. 9 - (Use the Date class) Write a program that creates...Ch. 9 - Prob. 9.4PECh. 9 - (Use the GregorianCa1endar class) Java API has the...Ch. 9 - (Stopwatch) Design a class named StopWatch. The...Ch. 9 - (The Account class) Design a class named Account...Ch. 9 - (The Fan class) Design a class named Fan to...Ch. 9 - (Geometry: n-sided regular polygon) In an n-sided...Ch. 9 - Prob. 9.10PECh. 9 - (Algebra: 2 2linear equations) Design a class...Ch. 9 - (Geometry: intersecting point) Suppose two line...Ch. 9 - (The Location class) Design a class named Location...
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