单选题Given: What is the result?（）A peepB barkC meowD Compilation fails.E An exception is thrown at runtime.

第1题

单选题Given: What is the result?（）AcollieBharrierCCompilation fails.Dcollie harrierEAn exception is thrown at runtime.

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第2题

单选题Given： What is the result？（）Ar， t， t，Br， e， o，CCompilation fails.DAn exception is thrown at runtime.

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第3题

单选题Given: What is the result?（）A2B3C12D23E123FCompilation fails.GAn exception is thrown at runtime.

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第4题

单选题String a = null；  a.concat（“abc”）；  a.concat（“def”）；  System.out.println（a）；   What is the result？（）AabcBnullCabcdefDCompilation fails.EThe code runs with no output.FAn exception is thrown at runtime.

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第5题

单选题Click the Exhibit button. Given: ClassA a = new ClassA（　）; a.methodA（　）; What is the result? （）ACompilation fails.BClassC is displayed.CThe code runs with no output.DAn exception is thrown at runtime.

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第6题

单选题Given： What is the result？（）ATestABTestBCCompilation fails.DAn exception is thrown at runtime.

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第7题

单选题Given： What is the result？（）AAn exception is thrown at runtime.Bint LongCCompilation fails.DShort Long

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