interface Beta {} class Alpha implements Beta { String testIt() { return “Tested”; } } public class Main1 { static Beta getIt() { return new Alpha(); } public static void main( String[] args ) { Beta b = getIt(); System.out.println( b.testIt() ); } } What is the result?()
- A、 Tested
- B、 Compilation fails.
- C、 The code runs with no output.
- D、 An exception is thrown at runtime.
正确答案:B
答案解析:有

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