为了使下面的程序能通过编译,最少要做的修改是 ( )。 1. final class A { 2. int x; 3. void mA() { x=x+1; } 4. } 5. class B extends A { 6. final A a=new A(); 7. final void mB(){ 8. a.x=20; 9. System.out.println( " hello " ); 10. } 11. }
【简答题】短文填空 Tom: Hi, Mr. Smith. 1 you give me a hand? Mr. Smith: Of course. You 2 hesitate to ask me for help. What's the matter with you? Tom: My mum is always complaining about my going back home late afte...
【简答题】A. My school is at the foot of a hill. B. There is a training center at the back of the school. C. Sometimes we study in the classroom, and sometimes in the training center. D. My mum always says i wa...