Về việc in ra float chứa kí tự chữ

[Son_Ha1 (Son Ha)]

package demo_ass;
import utils.AttrRef;
import utils.DOpt;
import utils.DomainConstraint;
import utils.NotPossibleException;
import utils.OptType;


import utils.NotPossibleException;


public class HighEarner extends Customer{
	@DomainConstraint(type = "Float", mutable =true , optional = false, min = 10000000)
	private float income;

	public HighEarner(@AttrRef("name")int i,@AttrRef("name") String n,@AttrRef("address") String a,@AttrRef("phoneNumber") String ph,@AttrRef("income")float in) {
		super(i, n, a, ph);
		if (validate(in)) {
			income = in;
		}	else
			System.err.println("invalid income");
			
		}
	private boolean validate(float in) {
		
		return validateIncome(in);
	}
	@DOpt(type=OptType.Observer) @AttrRef("income")
	public Float getIncome() {
	    return income;
	  }
	@DOpt(type=OptType.Mutator) @AttrRef("income")
	public void setIncome(Float income) {
	  
		  if (validateIncome(income)) {
	  
	    this.income = income;
	  }else {
	    System.err.println("Customer.setIncome: invalid income: " + income);
	  }
	}

	private boolean validateIncome(float in) {
		if(in<10000000) {
			return false;
		}
			else {return true;
			}
			}
	public boolean repOk() {
		return super.repOk()&& validateIncome(this.income);
	}
	public String toString() {
		return super.toString()+ " "+ this.income;
		
	
	}
	public int compareTo(Customer kh) 
		    throws NullPointerException, ClassCastException {
		    // compare two bus objects by name
		    return super.compareTo(kh);
		  }

		  
}

ai xem jup minh code nay lỗi j mà minh in ra nỗi dung của oj chỗ income float luôn có 1.23434435E10

[ltd (Lê Trần Đạt)]

@son_ha1 Cách post Code dùng Markdown trong Category Programming