字符串對象和字符串文字之間的區別[重複] - Difference between string object and string literal [duplicate]

問題：

This question already has answers here : 這個問題在這裏已經有了答案：

What is the difference between "text" and new String("text")? "text" 和 new String("text") 有什麼區別？ (12 answers) (12 個回答)

Closed 7 years ago . 7年前關閉。

What is the difference between之間有什麼區別

String str = new String("abc");

and和

String str = "abc";

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解決方案：

參考一： https://en.stackoom.com/question/DpvP
參考二： https://stackoom.com/question/DpvP