java如何从数组中选择一个指定索引以在开关情况下使用它
大家好,我是初学者,我想做一个测验数学游戏,如何选择随机数组的指定索引并将其用作大小写值
Random random=new Random();
int num1= random.nextInt(30);
int num2= random.nextInt(30);
System.out.println(num1+"+"+num2+"=");
int result=num1+num2;
System.out.println("What is the answer of this operation?");
int sugg1=random.nextInt(100);
int sugg2=random.nextInt(100);
int[] array = {sugg1,sugg2,result};
Random rand = new Random();
for (int i = 0; i < array.length; i++) {
int randomIndexToSwap = rand.nextInt(array.length);
int temp = array[randomIndexToSwap];
array[randomIndexToSwap] = array[i];
array[i] = temp;
}
System.out.println(Arrays.toString(array));
switch (Arrays.toString(array)) {
//I NEED HELP HERE HOW CAN I SELECT A SPECIFY INDEX OF THE RANDOM ARRAY AND USE IT AS CASE VALUE
case array:
}
# 1 楼答案
你可以使用
switch(array[yourIndex]){case element: ...}
# 2 楼答案
我不确定你想做什么
价值版本:
索引版本:
顺便说一下,如果
sugg1
=sugg2
=answer
,因为在下面的代码中,值是相同的并非不可能: