QUESTION 40

QUESTION 40 

Given: 

 

1. public class Pass2 { 

2.     public void main(String [] args) { 

3.         int x = 6; 

4.         Pass2 p = new Pass2();

5.         p.doStuff(x); 

6.         System.out.print(" main x = " + x); 

7.     } 

8.  

9.     void doStuff(int x) { 

10.         System.out.print(" doStuff x = " + x++); 

11.     } 

12. } 

 

And the command-line invocations: 

 

javac Pass2.java java Pass2 5 

 

What is the result? 

 

A. Compilation fails. 

B. An exception is thrown at runtime. 

C. doStuff x = 6 main x = 6 

D. doStuff x = 6 main x = 7 

E. doStuff x = 7 main x = 6 

F. doStuff x = 7 main x = 7 

Solution : B 

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plus imformation 

1. public class Pass2 { 

2.     public void main(String [] args) {  // main문 앞에 static이 빠져있다.