equals()與「==」的愛恨情仇

首先看一段代碼：web public void test1() { String a = "a" + "b" + 1; String b = "ab1"; System.out.println(a == b); System.out.println(a.equals(b)); } 返回的結果爲 Ture Ture數組 要理解這

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