三角形代码

package fzzy;

public class TriAngle {
private double base;//底边长
private double height;//高
public TriAngle(){
this.base=1.0;
this.height=1.0;

}public double getBase(){    return base;}public double getHeight(){    return height;}public void setBase(double i){           this.base=i;                           }public void setHeight(double j){    this.height=j;}public TriAngle(double i,double j){    System.out.println(i*j/2);}public double findArea(){    return this.base*this.height/2;}

}
package fzzy;

public class dwada {

public static void main(String[] args) {    TriAngle t=new TriAngle();    t.setBase(2.3);    t.setHeight(1.2);    System.out.println("面积为"+t.findArea());}

}