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Java basics

digit()


The java.lang.Character.digit(char ch, int radix) returns the numeric value of the character ch in the specified radix.

Syntax:
public static int digit(char ch, int radix)


Example:

/* java example */
import java.lang.*;

public class CharacterDemo {

   public static void main(String[] args) {

      // create 2 character primitives ch1, ch2
      char ch1, ch2;

      // assign values to ch1, ch2
      ch1 = '9';
      ch2 = '5';

      // create 2 int primitives i1, i2
      int i1, i2;

      // assign numeric value of ch1, ch2 to i1, i2 using radix
      i1 = Character.digit(ch1, 2);
      i2 = Character.digit(ch2, 10);

      String str1 = "Numeric value of " + ch1 + " in radix 2 is " + i1;
      String str2 = "Numeric value of " + ch2 + " in radix 10 is " + i2;

      // print i1, i2 values
      System.out.println( str1 );
      System.out.println( str2 );
   }
}


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