( 难度:中等)给出如下代码片段,运行结果为( ):String a = “ABCD”; String b = a.toLowerCase();b.replace(‘a’, ‘d’); b.replace(‘b’, ‘c’);System.out.println;A.abcdB.ABCDC.dccdD.dcba
( 难度:中等)给出如下代码片段,运行结果为( ):
String a = “ABCD”;
String b = a.toLowerCase();
b.replace(‘a’, ‘d’);
b.replace(‘b’, ‘c’);
System.out.println;
A.abcd
B.ABCD
C.dccd
D.dcba
String a = “ABCD”;
String b = a.toLowerCase();
b.replace(‘a’, ‘d’);
b.replace(‘b’, ‘c’);
System.out.println;
A.abcd
B.ABCD
C.dccd
D.dcba
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