试题详情
单项选择题 public class foo {  public static void main （String[]args） {  String s；  system.out.printIn （“s=” + s）；  }  }   What is the result？（）  

A、 The code compiles and “s=” is printed.

B、 The code compiles and “s=null” is printed.

C、 The code does not compile because string s is not initialized.

D、 The code does not compile because string s cannot be referenced.

E、 The code compiles， but a NullPointerException is thrown when toString is called.

  • C

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