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                創建String對象,有兩種方式, 一是new型:String s = new String("abc"); 另一種是雙引號型:String s = "abc"; 那么這兩種方式有什么區別呢? 答:這兩種方法生成的字符串對象,在內存中的存取機制不同。 Java為String類型提供了緩沖池機制,當使用雙引號定義對象時,Java環境首先去字符串緩沖池尋找相同內容的字符串,如果存在就直接拿出來應用,如果不存在則創建一個新的字符串放在緩沖池中。
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