多项选择题
A. Compilation fails.
B. The code compiles and the output is 2.
C. If lines 16， 17 and 18 were removed， compilation would fail.
D. If lines 24， 25 and 26 were removed， compilation would fail.
E. If lines 16， 17 and 18 were removed， the code would compile and the output would be 2.
F. If lines 24， 25 and 26 were removed， the code would compile and the output would be 1.
单项选择题 10. interface Foo { int bar（）； } 11. public class Sprite { 12. public int fubar（ Foo foo） { return foo.bar（）； } 13. public void testFoo（） { 14. fubar（ 15. // insert code here 16.）； 17. } 18. } Which code， inserted at line 15， allows the class Sprite to compile？（）
单项选择题 10. class Nav{ 11. public enum Direction { NORTH， SOUTH， EAST， WEST } 12. } 13. public class Sprite{ 14. // insert code here 15. } Which code， inserted at line 14， allows the Sprite class to compile？（）
单项选择题 public class Pass { public static void main（String [1 args） { int x 5； Pass p = new Pass（）； p.doStuff（x）； System.out.print（” main x = “+ x）； } void doStuff（int x） { System.out.print（” doStuff x = “+ x++）； } } What is the result？（）