需求如下:
有两个数组,比如A数组{2,3,4,1,2}和B数组{2,3,2},需要当数组A中数字第一次出现在B数组中时,打印出标记字符。自己实现如下:
public class Test {
private static void show(int[] a, int[] b) {
for (int i = 0; i < b.length; i++) {
Boolean flag = true;
for (int k = 0; k < i; k++) {
if (b[k] == b) {
flag = false;
}
}
for (int j = 0; j < a.length; j++) {
if (b == a[j] && flag) {
System.out.println(a[j] + " display in first time!");
break;
}
}
flag = true;
}
}
public static void main(String[] args) {
int[] a = { 2, 4, 3, 1, 2, 3, 5 };
int[] b = { 2, 4, 2, 1 };
show(a, b);
}
}