39 lines
853 B
Java
39 lines
853 B
Java
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// enumerations/SwitchExpression.java
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// (c)2021 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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// {NewFeature} Since JDK 14
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import java.util.*;
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public class SwitchExpression {
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static int colon(String s) {
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var result = switch(s) {
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case "i": yield 1;
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case "j": yield 2;
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case "k": yield 3;
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default: yield 0;
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};
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return result;
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}
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static int arrow(String s) {
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var result = switch(s) {
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case "i" -> 1;
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case "j" -> 2;
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case "k" -> 3;
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default -> 0;
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};
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return result;
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}
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public static void main(String[] args) {
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for(var s: new String[]{"i", "j", "k", "z"})
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System.out.format(
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"%s %d %d%n", s, colon(s), arrow(s));
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}
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}
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/* Output:
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i 1 1
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j 2 2
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k 3 3
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z 0 0
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*/
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