这里是我的代码:的Java比较数组索引的索引
public static void main(String[] args) {
int lotteryNumbers[] = new int[5];
int playersNumbers[] = new int[5];
int winNum = 0;
Scanner in = new Scanner(System.in);
Random r = new Random();
// array med 5 heltal
//skapa en for loop som fyller upp arrrayen
//med slumpade tal från klassen Random
for (int i = 0; i < lotteryNumbers.length; i++) {
lotteryNumbers[i] = 0 + r.nextInt(9);
System.out.print(lotteryNumbers[i] + "\t");
}
System.out.println();
for (int i = 0; i < playersNumbers.length; i++) {
//System.out.println("Var god ange ett nummer mellan 0-9: ");
//playersNumbers[i]=in.nextInt();
playersNumbers[i] = 0 + r.nextInt(9);
}
for (int i = 0; i < playersNumbers.length; i++) {
System.out.print(playersNumbers[i] + "\t");
}
System.out.println();
if (lotteryNumbers[0]==playersNumbers[0])
winNum++;
if (lotteryNumbers[1]==playersNumbers[1])
winNum++;
if (lotteryNumbers[2]==playersNumbers[2])
winNum++;
if (lotteryNumbers[3]==playersNumbers[3])
winNum++;
if (lotteryNumbers[4]==playersNumbers[4])
winNum++;
System.out.println("You have " + winNum + " winning numbers");
}
}
我需要的数字指标比较指标。正如你所看到的,我有5条if语句。我想知道我是否可以用循环来做到这一点?
我已经尝试过这样做,因为这:
for (int i = 0; i < lotteryNumbers.length; i++) {
for (int j = 0; j < playersNumbers.length; j++) {
if (lotteryNumbers[i] == playersNumbers[j]) {
winNum++;
}
}
}
但这各项指标比较,各项指标,而不仅仅是指数指数。我想知道如何编写比较索引到索引的循环?
使用*一个*循环,而不是两个。 – Biffen 2015-02-12 07:53:21