[英]How to Make it so that the User ends this program?
// ************************************************************
// ELEVATOR.java
//
// ELEVAOTR SIMULATION
// PROBLEM: NEED TO FIND A WAY TO AMKE IT SO THAT THE PROGRAM KEEPS RNNING AFTER USER INPUTS
// THIER FIRST DESIRED FLOOR.
// ************************************************************
import java.util.*;
public class Elevator_Simulation {
public static void main (String[] args) {
Person User = new Person();
Floor floors = new Floor();
floors.moveElevator(User.getDesiredFloor());
}
}
class Elevator { //NEEDS SETTER & GETTER METHODS
private int mass=0;
private int capcity=0;
private String name="";
private String color="";
}
class Floor {
ArrayList<Object> floorLevel = new ArrayList<Object>();
Elevator Lift = new Elevator();
Person Man = new Person();
Floor() { //Floors 0-9
floorLevel.add(Lift); //0
floorLevel.add(null); //1
floorLevel.add(null); //2
floorLevel.add(null); //3
floorLevel.add(null); //4
floorLevel.add(null); //5
floorLevel.add(null); //6
floorLevel.add(null); //7
floorLevel.add(null); //8
floorLevel.add(null); //9
}
System.out.println("Elevator is at Floor: " + floorLevel.indexOf(Lift) );
public void moveElevator (int chosenFloor) {
if (chosenFloor > 9) {
System.out.println("Woooooah Buddy! You can only choose 0-9!");
return;
}
if (chosenFloor == floorLevel.indexOf(Lift)) {
System.out.println("Bro you're already on that floor...");
}
while (floorLevel.indexOf(Lift)>chosenFloor) {
Collections.swap(floorLevel, floorLevel.indexOf(Lift), ( floorLevel.indexOf(Lift)-1 ) );
System.out.println(floorLevel.indexOf(Lift) );
}
while (floorLevel.indexOf(Lift)<chosenFloor) {
Collections.swap(floorLevel, floorLevel.indexOf(Lift), ( floorLevel.indexOf(Lift)+1 ) );
System.out.println(floorLevel.indexOf(Lift) );
}
}
}
class Person {
Scanner scan = new Scanner(System.in);
public int getDesiredFloor() {
int desiredFloor = scan.nextInt();
return desiredFloor;
}
}
上面是一个电梯模拟器代码(在我尝试使用GUI之前),除了明显的初学者缺陷之外,我唯一的问题是我无法找到一种方法来制作它以便程序不会一旦用户输入一层,就结束。 我至少希望程序运行,直到用户用命令结束它。 我想在某处使用while循环,但在哪里? 请帮助并指出我应该在此代码中改进的任何内容。
你可以把while
循环放在一行
floors.moveElevator(User.getDesiredFloor());
只需为表示退出的值添加输入检查。
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