Example usage for java.lang Character digit

Introduction

In this page you can find the example usage for java.lang Character digit.

Prototype

public static int digit(int codePoint, int radix)

Source Link

Document

Returns the numeric value of the specified character (Unicode code point) in the specified radix.

Usage

From source file:MainClass.java

public static void main(String args[]) {
    System.out.printf("Convert character to digit: %s\n", Character.digit('2', 1));
}

From source file:Main.java

public static void main(String[] args) {
    int ch1 = 9;//  w w  w. j  a v  a2  s.c o m
    int ch2 = 3;

    int i1 = Character.digit(ch1, 2);
    int i2 = Character.digit(ch2, 10);

    System.out.println("Numeric value of " + ch1 + " in radix 2 is " + i1);
    System.out.println("Numeric value of " + ch2 + " in radix 10 is " + i2);

}

From source file:Main.java

public static void main(String[] args) {
    char ch1 = '9';
    char ch2 = '3';

    int i1 = Character.digit(ch1, 2);
    int i2 = Character.digit(ch2, 10);

    System.out.println("Numeric value of " + ch1 + " in radix 2 is " + i1);
    System.out.println("Numeric value of " + ch2 + " in radix 10 is " + i2);

}

From source file:Convert.java

public static void main(String[] args) {
    int i = 0, num = 23658;
    char[] digits = new char[8];

    do {//from w  w w. j av a2 s . com
        digits[i++] = Character.forDigit(num % 16, 16);
        num /= 16;
    } while (num != 0);

    for (int j = 7; j >= 0; j--)
        System.out.println(digits[j]);

    char[] hex = { 'f', '3', '6', '0' };
    num = 0;
    for (int j = 0; j < hex.length; j++) {
        num <<= 4;
        num += Character.digit(hex[j], 16);
    }
    System.out.println(num);
}

From source file:Main.java

protected static int toDigit(char ch, int index) {
    int digit = Character.digit(ch, 16);
    if (digit == -1) {
        throw new RuntimeException("Illegal hexadecimal character " + ch + " at index " + index);
    }/* ww w.  ja  va  2s.c  o m*/
    return digit;
}

From source file:Main.java

public static byte[] HexToBytes(String in) {
    int len = in.length();
    byte[] data = new byte[len / 2];
    for (int i = 0; i < len; i += 2) {
        data[i / 2] = (byte) ((Character.digit(in.charAt(i), 16) << 4) + Character.digit(in.charAt(i + 1), 16));
    }/*ww  w. ja v a  2 s . c  o  m*/
    return data;
}

From source file:Main.java

private static byte[] hexStringToByteArray(String s) {
    int len = s.length();
    byte[] data = new byte[len / 2];
    for (int i = 0; i < len; i += 2) {
        data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4) + Character.digit(s.charAt(i + 1), 16));
    }/* w w  w . j av  a 2s . c o  m*/
    return data;
}

From source file:Main.java

public static byte[] hexStringToByteArray(String s) {
    int len = s.length();
    byte[] data = new byte[(len / 2)];
    for (int i = 0; i < len; i += 2) {
        data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4) + Character.digit(s.charAt(i + 1), 16));
    }// ww w .  ja v a 2  s . c  om
    return data;
}

From source file:Main.java

public static byte[] hexStringToByteArray(String s) {
    int len = s.length();
    byte[] data = new byte[len / 2];
    for (int i = 0; i < len; i += 2) {
        data[(i / 2)] = (byte) ((Character.digit(s.charAt(i), 16) << 4) + Character.digit(s.charAt(i + 1), 16));
    }//w w  w.  j  a  v a 2s .c  o m

    return data;
}

From source file:Main.java

public static byte[] hexStringToByteArray(String s) {
    int len = s.length();

    byte[] data = new byte[len / 2];

    for (int i = 0; i < len; i += 2) {
        data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4) + Character.digit(s.charAt(i + 1), 16));
    }/* ww w .  j a v  a  2  s  .c  o  m*/

    return data;
}