问题:
A . String s = “Gone with the wind”; String t = “ good”; String k = s + t;
B . String s = “Gone with the wind”; String t; t = s[3] + “one”;
C . String s = “Gone with the wind”; String standard = s.toUpperCase();
D . String s = “home directory”; String t = s – “directory”;
● 参考解析
本题暂无解析
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