OnJava8-Examples/control/StringSwitch.java
2015-12-15 11:47:04 -08:00

45 lines
1.1 KiB
Java

// control/StringSwitch.java
// (c)2016 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
public class StringSwitch {
public static void main(String[] args) {
String color = "red";
// Old way: using if-then
if("red".equals(color)) {
System.out.println("RED");
} else if("green".equals(color)) {
System.out.println("GREEN");
} else if("blue".equals(color)) {
System.out.println("BLUE");
} else if("yellow".equals(color)) {
System.out.println("YELLOW");
} else {
System.out.println("Unknown");
}
// New way: Strings in switch
switch(color) {
case "red":
System.out.println("RED");
break;
case "green":
System.out.println("GREEN");
break;
case "blue":
System.out.println("BLUE");
break;
case "yellow":
System.out.println("YELLOW");
break;
default:
System.out.println("Unknown");
break;
}
}
}
/* Output:
RED
RED
*/