x - =10;
else
y + =10;
System.out.print("x="+x);
System.out.println(" y="+y);
} }
请给出运行结果___________________________
2、public class ko5_12{
public static void main(String args[]){
int t,z=10;
t=sum(z);
System.out.println("sum="+t); }
static int sum(int x) {
if (x==1)
return(1);
else
return(sum(x-1)*x);
}
}
请给出运行结果___________________________
3、interface ko6_7interface {
float x=30.5f;
float y=4.6f;
float total();
}
public class ko6_7 implements ko6_7interface
{
float dollar,money;
ko6_7(float a,float b)
{dollar=a;money=b;}
public float total()
{return x*dollar+money/y;}
public static void main(String args[]) {
ko6_7 z=new ko6_7(100,4600);
System.out.print("美金="+z.dollar);
System.out.print("人民币="+z.money);
System.out.print("折合台币="+z.total());
}
}
请给出运行结果___________________________
4、class koA{
static int a;
public void display(){
System.out.print(“ a=”+a);
}}
class ko13{
public static void main(String args[]){
koA a1=new koA; a1.a=10;
koA a2=new koA; a2.a=20;
koA.a=50;
a1.dispay(); a2.display();
}
}
请给出运行结果___________________________
5、class A{
void callme(){
System.out.println(“Inside A’s callme() method”);
}}
class B extends A{
void callme(){
System.out.println(“Inside B’s callme() method”);
}}
public class Dispatch{
public static void main(String args[]){
A a=new B();
a. callme();
}
}
请给出运行结果___________________________
