一 代码
import java.util.Random;class RandomDie{ private int sides; private Random generator; public RandomDie(int s) { sides = s; generator = new Random( ); } public int cast( ) { return 1 + generator.nextInt(sides); }}public class RandomDieSimulator{ public static void main(String[] args) { int Num; RandomDie die = new RandomDie(6); final int TRIES = 15; for (int i = 1; i <= TRIES; i++) { Num = die.cast(); System.out.print(Num + " "); } System.out.println(); }}
二 运行
3 3 5 3 5 5 2 4 2 4 3 2 5 1 5
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