【简答题】写出程序结果: class Fu { int num = 4; void show() { System.out.println("Fu show"); } } class Zi extends Fu { int num = 5; void show() { System.out.println("Zi show"); } } public class Demo { public static v...
【简答题】请简述下列程序运行结果。 class A{ int y=6; class Inner{ static int y=3; void show(){ System.out.println(y); } } } class Demo{ public static void main(String [] args){ A.Inner inner=new A().new Inner(); inner.show...
【简答题】给出下面程序的运行结果。 class Fu { int num = 8; { System.out.println("Fu constructor code " + num); } Fu() { show(); } void show() { System.out.println("Fu show"); } } class Zi extends Fu { int num = 9; { System...
【简答题】2 在横线上填上适当的语句,使程序能正常运行。 【 1 】 { 【 2 】 (int a,int b){ return a-b; } } class StudentDemo{ public void show(Student s,int a, int b){ System.out.println(s.sum(a,b)); } } public class Demo{ public static v...