import java.util.Arrays;
public class ArrayUtilTest {
public static void main(String[] args) {
int[] arr = new int[] {1,2,5,6,7,9,4,0,8,3};
int index = Arrays.binarySearch(arr, 0);
if(index >= 0) {
System.out.println("找到了,索引位置为:" + index);
}else {
System.out.println("未找到!");
}
}
}
打印结果是“未找到!”,求大神帮助