Example usage for java.lang String toCharArray

Introduction

In this page you can find the example usage for java.lang String toCharArray.

Prototype

public char[] toCharArray()

Source Link

Document

Converts this string to a new character array.

Usage

From source file:Main.java

private static void initCharTable(String charStr) {
    char[] chars = charStr.toCharArray();
    for (char c : chars) {
        CHAR_TABLE[c] = encodeChar(c);/*from w w  w .jav  a2s  . c  o m*/
    }
}

From source file:Main.java

/**
 * Determines if argument is a number/*from  www. j av a2 s .  com*/
 * @param string - argument to test
 * @return - true if argument is a number
 */
public static boolean isNumber(String string) {
    boolean result = true;
    char[] chars = string.toCharArray();
    for (int i = 0; i < chars.length; i++) {
        if (!Character.isDigit(chars[i])) {
            result = false;
        }
    }
    return result;
}

From source file:Main.java

public static String hexStrToStr(String hexStr) {
    String str = "0123456789ABCDEF";
    char[] hexs = hexStr.toCharArray();
    byte[] bytes = new byte[hexStr.length() / 2];
    int n;//  www.  j  ava2s .  c o m

    for (int i = 0; i < bytes.length; i++) {
        n = str.indexOf(hexs[2 * i]) * 16;
        n += str.indexOf(hexs[2 * i + 1]);
        bytes[i] = (byte) (n & 0xff);
    }
    return new String(bytes);
}

From source file:Main.java

public static String getASCII(String value) {
    StringBuffer sbu = new StringBuffer();
    char[] chars = value.toCharArray();
    for (int i = 0; i < chars.length; i++) {
        if (i != chars.length - 1) {
            sbu.append((int) chars[i]);
        }//from w  w w.ja  v  a  2 s.  co  m
    }
    return sbu.toString();
}

From source file:Main.java

public static String replaceUpCase(String str) {
    StringBuffer sb = new StringBuffer();
    char[] c = str.toCharArray();
    for (int i = 0; c != null && i < c.length; i++) {
        if (i == 0) {
            sb.append(("" + c[i]).toUpperCase());
        } else if (c[i] < 97) {
            sb.append(("_" + c[i]));
        } else {/*  ww w.  jav  a2  s  .c  o  m*/
            sb.append(c[i]);
        }
    }
    return sb.toString();
}

From source file:Main.java

public static boolean isNumeric(String str) {
    if (str == null)
        return false;

    for (char c : str.toCharArray()) {
        if (!Character.isDigit(c))
            return false;
    }/*from   www .j av a  2s . co  m*/
    return true;
}

From source file:Main.java

/**
 * Generates a SecretKey.//w  w  w .j  ava 2 s .c om
 */
public static SecretKey newSecretKey(String algorithm, String password) {
    return newSecretKey(algorithm, new PBEKeySpec(password.toCharArray()));
}

From source file:Main.java

public static String hexToString(String hex) {
    StringBuilder sb = new StringBuilder();
    char[] hexData = hex.toCharArray();
    for (int count = 0; count < hexData.length - 1; count += 2) {
        int firstDigit = Character.digit(hexData[count], 16);
        int lastDigit = Character.digit(hexData[count + 1], 16);
        int decimal = firstDigit * 16 + lastDigit;
        sb.append((char) decimal);
    }/*from   w ww . j  av a 2s .c o m*/
    return sb.toString();
}

From source file:Main.java

/**
 * VLC only acccepts "-._~" in Mrl format, android Uri accepts "_-!.~'()*".
 * Therefore, encode the characters authorized by Android Uri when creating a mrl from an Uri.
 *///from  www  .  j  av  a2s  . c o m
public static String encodeVLCString(@NonNull String mrl) {
    final char[] array = mrl.toCharArray();
    final StringBuilder sb = new StringBuilder(array.length * 2);

    for (final char c : array) {
        if (URI_AUTHORIZED_CHARS.indexOf(c) != -1)
            sb.append("%").append(Integer.toHexString(c));
        else
            sb.append(c);
    }
    return sb.toString();
}

From source file:Main.java

public static int countOccurence(String matchedString, char occurence) {
    int count = 0;
    for (final char c : matchedString.toCharArray()) {
        if (c == occurence) {
            ++count;//from   ww w  . j  a  v a2 s . c om
        }
    }
    return count;
}