public class Triangle {
int x,y,z; //这是三角形三条边的长度
private void triangle(int x,int y,int z) {
this.x=x;
this.y=y;
this.z=z;
}
private int perimeter(){
return this.x+this.y+this.z;
}
private double area(){
int p = this.perimeter() / 2;
return Math.sqrt(p*(p-this.x)*(p-this.y)*(p-this.z));
}
public static void main(String[] args) throws Exception {
Triangle t = new Triangle(3,4,5);
System.out.println("该三角形的周长为:" + t.perimeter());
System.out.println("该三角形的面积为:" + t.area());
}
}
上面代码保存为Triangle.java即可测试运行~~手写代码,不保证完全正确,但思路绝对是正确的
