电费管理类

package bbb;

public class ccc {
    private int month1,month2;

    public ccc(){
        }
    public  void setmonth1(int month1) {
        this.month1=month1;
        }
    public void setmonth2(int month2) {
        this.month2=month2;
    }
    public int getmonth1(){
        return month1;
    }
    public int getmonth2(){
        return month2;
    }
    public void lmonth(){
        System.out.println("上月电表读数"+this.month1+"今年电费："+month1*12*0.5);
    }
    public void tmonth(){
        System.out.println("本月电表读数"+this.month2+"今年电费："+month2*12*0.5);
    }
    }
    

package bbb;

public class Testccc {
       public static void main(String[]args){
          // System.out.println("上月电表读数为:");
           ccc c1=new ccc();
           c1.setmonth1(1000);
          // System.out.println("本月电表读数为:");
           ccc c2=new ccc();
           c2.setmonth2(1200);
           c1.lmonth();
           c2.tmonth();
       }
}