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最长公共前缀题目数组检测函数修复

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原文中的校验，存在边界问题，当 String[] strs = {};或者 String[] strs = null;时仍然会报错。
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【张鑫】 2019-07-25 10:17:15 +08:00 committed by GitHub
parent ac3a10a1ff
commit 47776dbf46
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1 changed files with 14 additions and 11 deletions
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docs/dataStructures-algorithms/几道常见的子符串算法题.md
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@ -135,16 +135,19 @@ public class Main {
} }
private static boolean checkStrs(String[] strs) { private static boolean chechStrs(String[] strs) {
boolean flag = false;
if (strs != null) { if (strs != null) {
// 遍历strs检查元素值 // 遍历strs检查元素值
for (int i = 0; i < strs.length; i++) { for (int i = 0; i < strs.length; i++) {
if (strs[i] == null || strs[i].length() == 0) { if (strs[i] != null && strs[i].length() != 0) {
return false; flag = true;
} else {
flag = false;
} }
} }
} }
return true; return flag;
} }
// 测试 // 测试