练习1

package com.atguigu.exercise;
public class TriAngleTest {
    public static void main(String[] args) {
  TriAngle t1 = new TriAngle();
  t1.steBase(2.1);
  t1.steHeight(5.0);
  System.out.println(t1.getBase()+" , "+ t1.steHeight());
    }
}
package com.atguigu.exercise;
public class TriAngle {
    private double base;//底边长
    private double height;//高
    //构造器
    public TriAngle(){
    }
    public TriAngle(double b,double h){
  base = b;
  height = h;
    }
    //方法
    public void steBase(double b){
  base = b;
    }
    public double getBase(){
  return base;
    }
    public void steHeight(double h){
  height = h;
    }
    public double steHeight(){
  return height;
    }
}