Check If Two String Arrays are Equivalent
给两个数组, 里面是字符串, 问是不是能concatenate后组成相同的字符串.
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class Solution { public boolean arrayStringsAreEqual(String[] word1, String[] word2) { StringBuilder sb1 = new StringBuilder(); StringBuilder sb2 = new StringBuilder(); for(String w : word1) { sb1.append(w); } for(String w : word2) { sb2.append(w); } return sb1.compareTo(sb2) == 0; } } |