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public class TestString 1 { public static void main(String[] args) { String str = “420”; str += 42; System.out.print(str); } } What is the output?()
- A、 42
- B、 420
- C、 462
- D、 42042
- E、 Compilation fails.
- F、 An exception is thrown at runtime.
参考答案
更多 “ public class TestString 1 { public static void main(String[] args) { String str = “420”; str += 42; System.out.print(str); } } What is the output?()A、 42B、 420C、 462D、 42042E、 Compilation fails.F、 An exception is thrown at runtime.” 相关考题
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