package c4a;
import java.applet.Applet;
import java.awt.Graphics;
import java.util.*;
class shuxing{
public int a;
public int b;
public int c;
double m; //面积
double h; //周长
public void show(Graphics g,int x,int y)
{
double p=0.5*(a+b+c);
double s=Math.sqrt(p*(p-a)*(p-b)*(p-c));
g.drawString("周长:"+(a+b+c), x, y);
g.drawString("面积:"+(s), x, y+20);
}
}
public class sanjiao extends Applet {
public void paint(Graphics g)
{
Scanner aa=new Scanner(System.in);
int a1=aa.nextInt();
int b1=aa.nextInt();
int c1=aa.nextInt();
shuxing A=new shuxing();
A.a=a1;
shuxing B=new shuxing();
B.b=b1;
shuxing C=new shuxing();
C.c=c1;
shuxing h=new shuxing();
}
}
问题是：怎样才能输出周长和面积
