问题:
String a = “ABCD”;
String b = a.toLowerCase();
b.replace(‘a’, ‘d’);
b.replace(‘b’, ‘c’);
System.out.println(b);
What is the result? ()
A . abcd
B . ABCD
C . dccd
D . dcba
E . Compilation fails.
F . An exception is thrown at runtime.
String a = “ABCD”;
String b = a.toLowerCase();
b.replace(‘a’, ‘d’);
b.replace(‘b’, ‘c’);
System.out.println(b);
What is the result? ()
● 参考解析
本题暂无解析
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