我在编译代码时不断收到错误消息。我相信我的逻辑很好,但我在创建 BushelBasket 类时一定犯了错误。我的教练告诉我不要以任何方式改变主要方法。提前感谢您的帮助!
public class AppleOrchard
{
public static void main(String [] args)
{
System.out.println("Rick...");
BushelBasket rick = new BushelBasket(0);
rick.print();
rick.pick(11);
rick.pick(22);
rick.print();
rick.eat(4);
rick.print();
rick.spill();
rick.print();
System.out.println("Newt...");
BushelBasket newt = new BushelBasket(100);
newt.print();
System.out.println( newt.isEmpty() );
System.out.println( newt.isFull() );
System.out.println( newt.getApples() );
System.out.println( newt.roomLeftInBasket() );
System.out.println("Michele...");
BushelBasket michele = new BushelBasket(0);
System.out.println( michele.isEmpty() );
System.out.println( michele.isFull() );
michele.pick(25);
System.out.println( michele.isEmpty() );
System.out.println( michele.isFull() );
michele.pick(100);
System.out.println( michele.isEmpty() );
System.out.println( michele.isFull() );
System.out.println("Herman...");
BushelBasket herman = new BushelBasket(-5); // should default to 0
herman.print();
System.out.println("Jon...");
BushelBasket jon = new BushelBasket(300); // should default to 125
jon.print();
System.out.println("Ron...");
BushelBasket ron = new BushelBasket(20); // starts with 20
ron.print();
ron.eat(50); // can only eat down to zero apples
ron.print(); // should see zero apples
ron.eat(10); // back to 10
ron.pick(1000); // basket can only hold 125 apples
ron.print(); // should print 125
System.out.println("Gary...");
BushelBasket gary = new BushelBasket(); // should default to 0
gary.print();
}
}
class BushelBasket()
{
public void spill()
{
apples = 0;
}
public void pick(int x)
{
apples = apples + x;
}
public void eat(int x)
{
apples = apples - x;
}
public int getApples()
{
return apples;
}
public void print()
{
int x = getApples();
System.out.println("This bushel basket has " + x + " apples in it.");
}
public boolean isEmpty()
{
int emtpy = 0;
if (apples <= emtpy)
{
return true;
}
else
{
return false;
}
}
public boolean isFull()
{
int full = 125;
if (apples >= full)
{
return true;
}
else
{
return false;
}
}
public boolean roomLeftInBasket()
{
int full = 125;
if (apples < full)
{
return true;
}
else
{
return false;
}
}
}