河南成教 / Java程序设计
阅读下列程序,写出程序运行结果。
interface Computable
{
final int MAX=100;
int f(int x);
int g(int x,int y);
}
class Aa implements Computable
{
int no;
public int f(int x)
{
int sum=0;
for(int i=1;i<=x;i++)sum=sum+i;
return sum;
}
public int g(int x,int y){return x*y;}
}
class Bb implements Computable
{
int no;
public int f(int x)
{
int sum=0;
for(int i=1;i<=x;i++)sum=sum+i*i;
return sum;
}
public int g(int x,int y){return x+y;}
}
public class Class3204
{
public static void main(String[] args)
{
Aa li;Bb tom;
li=new Aa();li.no=851898;
tom=new Bb();tom.no=951899;
System.out.print("Li的编号"+li.no+","+li.MAX);
System.out.println(","+li.f(3)+","+li.g(3,4));
System.out.print("Tom的编号"+tom.no+","+tom.MAX);
System.out.print(","+tom.f(3)+","+tom.g(3,4));
}
}
interface Computable
{
final int MAX=100;
int f(int x);
int g(int x,int y);
}
class Aa implements Computable
{
int no;
public int f(int x)
{
int sum=0;
for(int i=1;i<=x;i++)sum=sum+i;
return sum;
}
public int g(int x,int y){return x*y;}
}
class Bb implements Computable
{
int no;
public int f(int x)
{
int sum=0;
for(int i=1;i<=x;i++)sum=sum+i*i;
return sum;
}
public int g(int x,int y){return x+y;}
}
public class Class3204
{
public static void main(String[] args)
{
Aa li;Bb tom;
li=new Aa();li.no=851898;
tom=new Bb();tom.no=951899;
System.out.print("Li的编号"+li.no+","+li.MAX);
System.out.println(","+li.f(3)+","+li.g(3,4));
System.out.print("Tom的编号"+tom.no+","+tom.MAX);
System.out.print(","+tom.f(3)+","+tom.g(3,4));
}
}
参考答案:
佳题速递: