String s1 = "a"; String s2 = "b"; String str6 = s1 + s2; System.out.println(str6 == "ab");String s1 = "a"; String s2 = "b"; String str6 = s1 + s2; System.out.println(str6 == "ab");结果为什么为false?
来源：学生作业帮助网 编辑：作业帮 时间：2024/07/19 08:51:50
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