A.int foo() { * more code here * }B.void foo() { * more……

单项选择题Given:10. interface Data { public void load(); }11. abstract class Info { public abstract void load(); }Which class correctly uses the Data interface and Info class?（）（）

A.
B.
C.
D.
E.
F.

单项选择题Given: Which code, inserted at line 14, allows the Sprite class to compile?（）

A.Direction d = NORTH;
B.Nav.Direction d = NORTH;
C.Direction d = Direction.NORTH;
D.Nav.Direction d = Nav.Direction.NORTH;

单项选择题Given: Which code, inserted at line 15, creates an instance of the Point class defined in Line?（）

A.Point p = new Point();
B.Line.Point p = new Line.Point();
C.The Point class cannot be instatiated at line 15.
D.Line l = new Line() ; l.Point p = new l.Point();

单项选择题Given: Which statement is true?（）

A.The code will compile without changes.
B.The code will compile if public Tree() { Plant(); } is added to the Tree class.
C.The code will compile if public Plant() { Tree(); } is added to the Plant class.
D.The code will compile if public Plant() { this("fern"); } is added to the Plant class.
E.The code will compile if public Plant() { Plant("fern"); } is added to the Plant class.

单项选择题Click the Exhibit button. Given: ClassA a = new ClassA(); a.methodA(); What is the result? （）

A.Compilation fails.
B.ClassC is displayed.
C.The code runs with no output.
D.An exception is thrown at runtime.