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单选题
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.
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更多 “单选题String a = “ABCD”; String b = a.toLowerCase(); b.replace(‘a’, ‘d’); b.replace(‘b’, ‘c’); System.out.println(b); What is the result? ()A abcdB ABCDC dccdD dcbaE Compilation fails.F An exception is thrown at runtime.” 相关考题
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考题
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( 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
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