java 面向对象练习题7
创建一个三角形类,成员变量三边,方法求周长,创建类主类A来测试它。
package lianxiti9dao13; public class Sanjiaoxing { private int Aa; public int getAa() { return Aa; } public void setAa(int aa) { Aa = aa; } private int Bb; public int getBa() { return Bb; } public void setBb(int bb) { Bb=bb; } private int Cc; public int getCc() { return Cc; } public void setCc(int cc) { Cc=cc; } Sanjiaoxing(int Aa,int Bb,int Cc) { this.Aa=Aa; this.Bb=Bb; this.Cc=Cc; } public void getZhouchang() { if(Aa+Bb>Cc&&Bb+Cc>Aa&&Aa+Cc>Bb&&Aa!=0&&Bb!=0&&Cc!=0) System.out.println("三角形的周长是"+(Aa+Bb+Cc)); else { System.out.println("这不是一个三角形"); } } }
package lianxiti9dao13; public class A { public static void main(String[] args) { // TODO 自动生成的方法存根 Sanjiaoxing s1=new Sanjiaoxing(1,5,5); s1.getZhouchang(); } }