The useLocale() method of java.util.Scanner class sets this scanner’s locale to the specified locale.
Syntax:
public Scanner useLocale(Locale locale)
Parameters: The function accepts a mandatory parameter locale which specifies a string specifying the locale to use.
Return Value: The function returns this modified scanner.
Exceptions: If the radix is less than Character.MIN_RADIX or greater than Character.MAX_RADIX, then an IllegalArgumentException is thrown.
Below programs illustrate the above function:
Program 1:
// Java program to illustrate the // Scanner useLocale() method in Java import java.util.*;
public class GFG1 {
public static void main(String[] argv)
throws Exception
{
String s = "Geeksforgeeks has Scanner Class Methods" ;
// create a new scanner
// with the specified String Object
Scanner scanner = new Scanner(s);
// print a line of the scanner
System.out.println( "Scanner String: \n"
+ scanner.nextLine());
// display the previous locale
System.out.println( "Current Lcoale: "
+ scanner.locale());
// change the locale of the scanner
scanner.useLocale(Locale.ENGLISH);
System.out.println( "Changing Locale to ENGLISH" );
// display the new locale
System.out.println( "Updated Locale: "
+ scanner.locale());
// close the scanner
scanner.close();
}
} |
Scanner String: Geeksforgeeks has Scanner Class Methods Current Lcoale: en_US Changing Locale to ENGLISH Updated Locale: en
Program 2:
// Java program to illustrate the // Scanner useLocale() method in Java import java.util.*;
public class GFG1 {
public static void main(String[] argv)
throws Exception
{
String s = "Geeksforgeeks 2018" ;
// create a new scanner
// with the specified String Object
Scanner scanner = new Scanner(s);
// print a line of the scanner
System.out.println( "Scanner String: \n"
+ scanner.nextLine());
// display the previous locale
System.out.println( "Current Lcoale: "
+ scanner.locale());
// change the locale of the scanner
scanner.useLocale(Locale.FRENCH);
System.out.println( "Changing Locale to FRENCH" );
// display the new locale
System.out.println( "Updated Locale: "
+ scanner.locale());
// close the scanner
scanner.close();
}
} |
Scanner String: Geeksforgeeks 2018 Current Lcoale: en_US Changing Locale to FRENCH Updated Locale: fr
Reference: https://docs.oracle.com/javase/7/docs/api/java/util/Scanner.html#useLocale(java.util.Locale)