package top.qaqaq.java.P229;
/*
 * 编写两个类，TriAngle和TriAngleTest，其中TriAngle类中声明私有的底边长base和高height，同时声明公共方法访问私有变量。
 * 此外，提供类必要的构造器。另一个类中使用这些公共方法，计算三角形的面积。
 * 
 * 
 * 
 * 
 */
public class TirAngle {	//angle：角	angel：天使
	
	private double base;//底边长
	private double height;//高
	private double area;
	
	public TirAngle() {
		
	}
	
	public TirAngle(double b,double h) {
		base = b;
		height = h;
		System.out.println(base * height / 2);
		
	}
	
	public void setBase(double b) {
		base = b;
	}
	
	public double getBase() {
		return base;
	}
	
	public void setHeight(double h) {
		height = h;
	}
	
	public double getHeight() {
		return height;
	}
	

}

package top.qaqaq.java.P229;

public class TriAngleTest {
	
	public static void main(String[] args) {
		
		TirAngle t1 = new TirAngle();
		
		t1.setBase(2.0);
		t1.setHeight(2.4);
//		t1.base = 2.5;//The field TirAngle.base is not visible
//		t1.height = 4.3;
		
		System.out.println("base：" + t1.getBase() + ",height：" + t1.getHeight());

		TirAngle t2 = new TirAngle();
		System.out.println("base：" + t2.getBase() + ",height：" + t2.getHeight());
	
	}

}