关于在 else-if 语句中使用名称的简单问题：

huangapple
go评论106阅读模式
英文:

Simple question about using names in else-if statements:

问题

我是新手，需要一些关于如何在Java中使用变量的指导。我尝试使用变量来触发条件语句，但我不知道它们是如何工作的。

  1. public class Else_If_Statements {
  2.     public static void main(String[] args){
  4.         int flavor = Chocolate;
  5.         
  6.         
  7.         if (flavor == Vanilla)
  8.             System.out.println("That will be 3$!");
  9.         else if (flavor == Caramel)
  10.             System.out.println("That will be 6$!");
  11.         else if (flavor == Chocolate)
  12.             System.out.println("That will be 5$!");
  13.         else 
  14.             System.out.println("Sorry, that flavor isn't available!");
  15.     }
  16. }
英文:

I'm new and I need some guidance on how to use names in Java. I tried to use names to trigger the else if statements but I don't know how they work.

<!-- language: lang-java -->

  1. public class Else_If_Statements {
  2.     public static void main(String[] args){
  4.         int flavor = Chocolate;
  5.         
  6.         
  7.         if (flavor = Vanilla)
  8.             system.out.println(&quot;That will be 3$!&quot;);
  9.         else if (flavor = Caramel)
  10.             system.out.println(&quot;That will be 6$!&quot;);
  11.         else if (flavor = Chocolate)
  12.             system.out.println(&quot;That will be 5$!&quot;);
  13.         else 
  14.             system.out.println(&quot;Sorry, that flavor isn&#39;t available!&quot;);
  15.     }
  16. }

<!-- end snippet -->

答案1

得分: 2

在Java中，if else的工作方式如下。要分配给String数据类型的命名值，并且必须使用equals()方法进行比较。

  1. public class Else_If_Statements {
  2.     public static void main(String[] args){
  4.         String flavor = "Chocolate";
  7.         if (flavor.equals("Vanilla"))
  8.             System.out.println("That will be 3$!");
  9.         else if (flavor.equals("Caramel"))
  10.             System.out.println("That will be 6$!");
  11.         else if (flavor.equals("Chocolate"))
  12.             System.out.println("That will be 5$!");
  13.         else 
  14.             System.out.println("Sorry, that flavor isn't available!");
  15.     }
  16. }
英文:

In Java, the if else works this way. The named value to be assigned to the String datatype and equals() method has to be used for the comparison.

  1. public class Else_If_Statements {
  2.     public static void main(String[] args){
  4.         String flavor = &quot;Chocolate&quot;;
  5.         
  6.         
  7.         if (flavor.equals(&quot;Vanilla&quot;))
  8.             System.out.println(&quot;That will be 3$!&quot;);
  9.         else if (flavor.equals(&quot;Caramel&quot;))
  10.             System.out.println(&quot;That will be 6$!&quot;);
  11.         else if (flavor.equals(&quot;Chocolate&quot;))
  12.             System.out.println(&quot;That will be 5$!&quot;);
  13.         else 
  14.             System.out.println(&quot;Sorry, that flavor isn&#39;t available!&quot;);
  15.     }
  16. }

huangapple
  • 本文由 发表于 2020年10月12日 13:33:24
  • 转载请务必保留本文链接：https://go.coder-hub.com/64312199.html
  • java
匿名

发表评论

匿名网友

:?: :razz: :sad: :evil: :!: :smile: :oops: :grin: :eek: :shock: :???: :cool: :lol: :mad: :twisted: :roll: :wink: :idea: :arrow: :neutral: :cry: :mrgreen:

确定