?? die.java
字號:
package com.javapatterns.multilingual.dice;
import java.util.Random;
import java.util.Date;
public class Die
{
private static Die die1 = new Die();
private static Die die2 = new Die();
private Die()
{
}
public static Die getInstance(int whichOne)
{
if (whichOne == 1)
{
return die1;
}
else
{
return die2;
}
}
public synchronized int dice()
{
Date d = new Date();
Random r = new Random( d.getTime() );
int value = r.nextInt();
value = Math.abs(value);
value = value % 6;
value += 1;
System.out.println(value);
return value;
}
}
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