[单选题]
阅读下列代码段,选出该代码段的正确的文件名 ( )class A{ void methodl(){ System.out.println("methodl in class A"); }}public class B{ void method2(){ System.out.println("method2 in class B"); } public static void main(String args[]){ System.out.println("main()in class B"); }}
A.A.java
B.A.class
C.B.class
D.B.java
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