//关键字string拼写错误,其中s应该大写
public static void main(string[]args){
//j变量没有定义
j=Keyboard.readInt();
if(j>0)
System.out.println("j is greater than zero");
else if(j<0)
System.out.println("j is equals to zero");
else
//遗漏了分号";"
System.out.println("j is less than zero")
int x=120/j;
System.out.println(x);
}
private int readDestinationFloor() {
return Keyboard.readInt();
}
