java封装多态与重载

package first;

public class FIrstjava {
 private int bs;
 private String devoleper;
 private boolean feiyong=true;
 private double hour;
 private double money;
 public int getBs() {
 return bs;
}
public void setBs(int bs) {
 this.bs = bs;
}
public String getDevoleper() {
 return devoleper;
}
public void setDevoleper(String devoleper) {
 this.devoleper = devoleper;
}
public boolean isFeiyong() {
 return feiyong;
}
public void setFeiyong(boolean feiyong) {
 this.feiyong = feiyong;
}

 public FIrstjava(int bs,String devoleper,boolean feiyong){
  super();
  this.bs=bs;
  this.devoleper=devoleper;
  this.feiyong=feiyong;
 }
 public double shoufei(){
  return hour*money;
 }
 public static void main(String args[]){
  FIrstjava java =new FIrstjava();
 java.print();
 }
 public void print(){
  System.out.println(toString());
 }
public void setHour(double hour) {
 this.hour = hour;
}
public double getHour() {
 return hour;
}
public void setMoney(double money) {
 this.money = money;
}
public double getMoney() {
 return money;
}
public FIrstjava() {
 // TODO Auto-generated constructor stub
 super();
 bs=34;
 devoleper="cjj";
 feiyong=false;
 hour=10.6;
 money=100.4;
}
public String toString() {  
 return "FIrstjava [daxiao=" + bs + ", kaifa=" + devoleper + ",feiyong="+feiyong+",zongfeiyong="+hour*money+"]"; 
 }
}