Leetcode. 14. Longest Common Prefix

这个简单，注意边界条件就行

public class Solution {public String longestCommonPrefix(String[] strs) {if (strs.length == 0)return "";String prefix = "";int p = 0;while(true) {char commonChar = 0;if (p >= strs[0].length()) {break;} else {commonChar = strs[0].charAt(p);}int i = 0;for (; i < strs.length; i++) {if (p >= strs[i].length()) {break;}if (strs[i].charAt(p) != commonChar) {break;}}if (i < strs.length) {break;} else {prefix = prefix + commonChar;}p++;}return prefix;}
}

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