如何在一个方法上使用控制语句？如果可能的话

• Z时代
• 2024-01-10
• 分类：问答

我不知道怎么说如何在一个方法上使用控制语句？如果可能的话

if money（）; < 1000 and house（）;是==小打印你的可怜

或

if money（）; > = 1000和< 5000和house（）;是==为正常打印你好，你太富有

package ArrayTest; 
import java.util.Scanner; 
/** 
* Created by quwi on 02/12/2017. 
*/`enter code here` 
public class Happyness { 
    private static Scanner scanner = new Scanner(System.in); 
    public static void main(String[] args) { 
//  house(); 
//  money(); 
     comparison(); 
    } 
    private static void house() { 
     //  getting user input and using the switch statement to see the size 
     //  of their house 
     System.out.println("Please enter the size of your house "); 
     String cap = scanner.next(); 
     switch (cap) { 
      case "small": 
       System.out.println("you have a small house it means your poor"); 
       break; 
      case "normal": 
       System.out.println("your house normal, it mean your not poor nor rich"); 
       break; 
      case "large": 
       System.out.println("your house is big it means your rich"); 
       break; 
      default: 
       System.out.println("please choose between: small, normal or large"); 
       break; 
     } 
    } 
    private static void money() { 
     System.out.println("please enter a number"); 
     int wage = scanner.nextInt(); 
     if (wage < 1000) { 
      System.out.println("your poor"); 
     } else if (wage >= 1000 && wage < 5000) { 
      System.out.println("your not poor, your OK"); 
     } else if (wage > 5000) { 
      System.out.println("your rich, Give me money"); 
     } else { 
      System.out.println("please enter a number nothing else"); 
     } 
    } 
    private static void comparison() { 
     System.out.println("please enter a number"); 
     int decision = scanner.nextInt(); 
     switch (decision) { 
      case 1: 
       money(); 
       break; 
      case 2: 
       house(); 
       break; 
      case 3: 
       money(); 
       house(); 
       break; 
      default: 
       System.out.println("Please choose 1, 2 or 3"); 
     } 
    } 
} 

回答：

private static String money() { 
    System.out.println("please enter a number"); 
    int wage = scanner.nextInt(); 
    if (wage < 1000) { 
     return "poor"; 
    } else if (wage >= 1000 && wage < 5000) { 
     return "ok"; 
    } else if (wage > 5000) { 
     return "rich"; 
    } else { 
     //ask for input again or exit, whatever 
    } 
} 

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