import java.util.Arrays;public class welcom {
public static void main(String[] args) {
String[] arras = {"a","c","b"};
System.out.println(Arrays.binarySearch(arras,"a"));
System.out.println(Arrays.binarySearch(arras,"b"));
System.out.println(Arrays.binarySearch(arras,"c"));
}}输出结果为:
0
-2
1
感觉-2那个值有问题
public static void main(String[] args) {
String[] arras = {"a","c","b"};
System.out.println(Arrays.binarySearch(arras,"a"));
System.out.println(Arrays.binarySearch(arras,"b"));
System.out.println(Arrays.binarySearch(arras,"c"));
}}输出结果为:
0
-2
1
感觉-2那个值有问题
解决方案 »
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