/*  A class that is similar to the Integer wrapper class, but one to demonstrate
 *  writing your own class and also using static methods */
 
public class MyInteger
{
	private int value;		// the int datum that this will wrap
	
	public MyInteger(int newValue)
	{
		value=newValue;
	}
	
	public int getValue()
	{
		return value;		// accessor
	}
	
	// methods to determine if the current value is even, odd or prime
	public boolean isEven()
	{
		if(value%2==0) return true; else return false;
	}
	
	public boolean isOdd()
	{
		if(value%2==1) return true; else return false;
	}
	
	public boolean isPrime()
	{
		int i=2; 			// i is the divisor, can we find an i between 2 and value-1 that divides into value?  
		while(i<value)		// if so, then value is not prime
			if(value%i==0) return true;	// divisor found		
			else i++;					// otherwise try next int in the sequence from 2 to value-1
		return false;		// if a divisor is not found, then value is prime
	}
	
	// static methods to determine if the param is even, odd, prime
	public static boolean isEven(int x)
	{
		if(x%2==0) return true; else return false;
	}

	public static boolean isOdd(int x)
	{
		if(x%2==1) return true; else return false;
	}

	public static boolean isPrime(int x)
	{
		int i=2; 
		while(i<x)
			if(x%i==0) return true;
			else i++;
		return false;
	}
	
	
	// methods to determine if this MyInteger is equal to an int or an Integer passed to it
	public boolean equals(int x)
	{
		if(x==value) return true; else return false;
	}
	
	public boolean equals(Integer x)
	{
		if(x.intValue()==value) return true; else return false;
	}
	
	// convert an array of char digits into an int and return the int
	public static int parseInt(char[] c)
	{
		int temp=0;
		for(int i=0;i<c.length;i++)
			temp=temp*10+(int)(c[i]-48);
		return temp;
	}
	
	// convert a String, which should be all digits, into an int
	public static int parseInt(String s)
	{
		return Integer.parseInt(s);
	}
}