45 lines
1.1 KiB
Java
45 lines
1.1 KiB
Java
// control/StringSwitch.java
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// (c)2020 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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public class StringSwitch {
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public static void main(String[] args) {
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String color = "red";
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// Old way: using if-then
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if("red".equals(color)) {
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System.out.println("RED");
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} else if("green".equals(color)) {
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System.out.println("GREEN");
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} else if("blue".equals(color)) {
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System.out.println("BLUE");
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} else if("yellow".equals(color)) {
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System.out.println("YELLOW");
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} else {
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System.out.println("Unknown");
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}
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// New way: Strings in switch
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switch(color) {
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case "red":
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System.out.println("RED");
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break;
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case "green":
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System.out.println("GREEN");
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break;
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case "blue":
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System.out.println("BLUE");
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break;
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case "yellow":
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System.out.println("YELLOW");
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break;
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default:
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System.out.println("Unknown");
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break;
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}
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}
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}
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/* Output:
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RED
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RED
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*/
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