binarySearch(int[] a,int fromIndex,int toIndex, int key)的用法

Posted 2021-02-17 summerdata

package com.Summer_0420.cn;

import java.util.Arrays;

/**
 * @author Summer
 *  binarySearch(int[] a,int fromIndex,int toIndex, int key)的用法（测试）
 */
public class TestMethod05 {
    public static void main(String[] args) {
        int [] a = {1,2,3,4,5,6,7,8,9,10};
        int index = Arrays.binarySearch(a, 3, 9, 6);//（数组，起始索引，结束索引，搜索值）
        System.out.println(index);
    }
}