你可能感興趣的試題

A.hi hi
B.hi world
C.world world
D.Compilation fails.
E.An exception is thrown at runtime.

A.public class Circle implements Shape {private int radius；}
B.public abstract class Circle extends Shape {private int radius；}
C.public class Circle extends Shape {private int radius；public void draw（）；}
D.public abstract class Circle implements Shape { private int radius；public void draw（）；}
E.public class Circle extends Shape {private int radius；public void draw（） {/* code here*/}}