Java Scanner - useRadix() Method

The java.util.Scanner.useRadix() method is used to set the scanner's default radix to the specified radix.

Syntax

public Scanner useRadix(int radix)

Parameters

radix Specify the radix to use when scanning numbers.

Return Value

Returns the scanner.

Exception

Throws IllegalArgumentException, if radix is out of range.

Example:

In the example below, the java.util.Scanner.useRadix() method is used to set the scanner's default radix to the specified radix.

import java.util.*;

public class MyClass {
  public static void main(String[] args) {

    //String to scan
    String MyString = "Hello World 10 + 20 = 30.0";

    //creating a Scanner
    Scanner MyScan = new Scanner(MyString);

    //set the scanner's default radix to 16
    MyScan.useRadix(16);

    //print the new radix
    System.out.println(MyScan.radix());

    //close the scanner
    MyScan.close();
  }
}

The output of the above code will be:

❮ Java.util - Scanner