1. public class SwitchTest { 
2. public static void main （String []args）  { 
3. System.out.PrintIn（“value =” +switchIt（4））； 
4. } 
5. public static int switchIt（int x）  { 
6. int j = 1； 
7. switch （x） { 
8. case 1： j++； 
9. case 2： j++； 
10. case 3： j++； 
11. case 4： j++； 
12. case 5： j++； 
13. default：j++； 
14. } 
15. return j + x； 
16. } 
17. }    
What is the output from line 3？（）  

public class ExceptionTest { 
class TestException extends Exception {} 
public void runTest （） throws TestException {} 
public void test （） /* Point X*/  { 
runTest （）； 
} 
}  
At point X on line 4， which code can be added to make the code compile？（）