10.3 (The MyInteger class) Design a class named MyInteger. The class contains: A
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Question
10.3 (The MyInteger class) Design a class named MyInteger. The class contains: An int data field named value that stores the int value represented by this object. ·A constructor that creates a MyInteger object for the specified int value. A getter method that returns the int value. .The methods isEven0, isOdd0, and isPrime0 that return true if the value in this object is even, odd, or prime, respectively. -The static methods isEven(int), isOdd(int), and is Prime(int) that return true if the specified value is even, odd, or prime, respectively The static methods isEven(MyInteger), isOdd(MyInteger), and isPrime(MyInteger) that return true if the specified value is even, odd, or prime, respectively. The methods equals(int) and equals(MyInteger) that return true if the value in this object is equal to the specified value. A static method parselnt(char[l) that converts an array of numeric characters to an int value. A static method parselnt(String) that converts a string into an int value. Draw the UML diagram for the class and then implement the class. Write a client program that tests all methods in the classExplanation / Answer
import java.io.*;
import java.util.*;
import java.lang.*;
class MyInteger {
private int value;
public MyInteger(int a){
value = a;
}
public int getValue(){
return value;
}
int parseInt(char[] a){
int sum = 0;
int n = a.length - 1;
for (int i = 0; i<a.length; i++){
sum = sum + Character.getNumericValue(a[i])* (int)Math.pow(10,n-i);
}
return sum;
}
int parseInt(String a){
char[] c = a.toCharArray();
int sum = 0;
int n = c.length - 1;
for (int i = 0; i<c.length; i++){
sum = sum + Character.getNumericValue(c[i])* (int)Math.pow(10,n-i);
}
return sum;
}
public boolean isOdd(){
if (value % 2 != 0)
return true;
else
return false;
}
public boolean isEven(){
if (value % 2 == 0)
return true;
else
return false;
}
public boolean isPrime(){
for (int i = 2; i<value; i++){
if (value % i == 0)
return false;
}
return true;
}
public boolean isOdd(int a){
if (a % 2 != 0)
return true;
else
return false;
}
public boolean isEven(int a){
if (a % 2 == 0)
return true;
else
return false;
}
public boolean isPrime(int a){
for (int i = 2; i<a; i++){
if (a % i == 0)
return false;
}
return true;
}
public boolean isOdd(MyInteger a){
int b = a.getValue();
if (b % 2 != 0)
return true;
else
return false;
}
public boolean isEven(MyInteger a){
int b = a.getValue();
if (b % 2 == 0)
return true;
else
return false;
}
public boolean isPrime(MyInteger a){
int b = a.getValue();
for (int i = 2; i<b; i++){
if (b % i == 0)
return false;
}
return true;
}
public boolean equals(int a){
if (value == a)
return true;
else
return false;
}
public boolean equals(MyInteger a){
if (value == a.getValue())
return true;
else
return false;
}
}
public class DemoInteger{
public static void main(String[] args){
MyInteger a = new MyInteger(5);
MyInteger e = new MyInteger(7);
String str = "23";
char [] b = str.toCharArray();
int c = a.parseInt(str);
int d = a.parseInt(b);
System.out.println(a.isEven());
System.out.println(a.isOdd());
System.out.println(a.isPrime());
System.out.println(a.isEven(2));
System.out.println(a.isOdd(7));
System.out.println(a.isPrime(13));
System.out.println(a.isEven(e));
System.out.println(a.isOdd(e));
System.out.println(a.isPrime(e));
System.out.println(c);
System.out.println(b);
}
}
UML Diagram
MyInteger
value : int
isEven() : boolean
isOdd() : boolean
isPrime() : boolean
isEven(a:int) : boolean
isOdd(a:int) : boolean
isPrime(a:int) : boolean
isEven(a:MyInteger) : boolean
isOdd(a:MyInteger) : boolean
isPrime(a:MyInteger) : boolean
parseInt(a:char[]) :int
parseInt(a:String) :int
isEquals(a:int) : boolean
isEquals(a:Myinteger): boolean
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