Question

java中如何让方法返回值中的数据调用到主函数并输出，代码如下

import javax.swing.JOptionPane;
public class Sjx {
public int a,b,c;
public double area(int a,int b,int c)
{
double p,ar;
p=(a+b+c)/2;
ar=Math.sqrt(p*(p-a)*(p-b)*(p-c));
return ar;
}
public double zc(int a,int b,int c)
{
int s=a+b+c;
return s;
}
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub

int x=Integer.parseInt(JOptionPane.showInputDialog("输入a"));
int y=Integer.parseInt(JOptionPane.showInputDialog("输入b"));
int z=Integer.parseInt(JOptionPane.showInputDialog("输入c"));
Sjx p1=new Sjx();
p1.area(x, y, z);
p1.zc(x, y, z);
System.out.println(s);
System.out.println(ar);
}

}

Answer 1

System.out.print(p1.area(x, y, z));
System.out.println(p1.zc(x, y, z));

Answer 2

12System.out.print(p1.area(x, y, z));System.out.println(p1.zc(x, y, z));