关于以下程序段,正确的说法是:
1 String s1=”abc”+”def”;
2 String s2=new String(s1);
3 if(s1==s2)
4 System.out.println(“= = succeeded”);
5 if (s1.equals(s2))
6 System.out.println(“.equals() succeeded”);
发布于 2022-05-10 22:15:02
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