String[] str = {"a","b","c","d","e"}; 或String[] sql = new St
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首先这两种方式都是创建了字符串数组.

但是第一种方式只创建了一个String[]数组对象str.

第二种方式创建了两个String[]数组对象sql和 new String[] {"a","b","c","d","e"},相当于我创建了 new String[] {"a","b","c","d","e"};这个对象,然后把这个对象的引用赋给sql对象.

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