public class SwitchTest {  
public static void main （String args） {  
System.out.PrintIn（“value =” +switchIt（4））；  
}  
public static int switchIt（int x） {  
int j = 1；  
switch （x） {  
case 1： j++；  
case 2： j++；  
case 3： j++； 
case 4： j++；  
case 5： j++；  
default：j++；  
}  
return j + x；  
}  
}  
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？（）