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

public static Integer calculateCheckSumFor(String message) {
    Integer byteSum = 0;//from   www .j a  v  a 2s  .  c  om
    for (Character character : message.toCharArray()) {
        byteSum += (int) character;
    }

    return byteSum % 256;
}

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From source file:Main.java

public static String checkEmoticons(String name) {
    char[] chars = name.toCharArray();
    int index;//  ww w .j av  a 2  s  .co  m
    char ch1;
    char ch2;

    index = 0;
    StringBuilder builder = new StringBuilder();
    while (index < chars.length) {
        ch1 = chars[index];
        if ((int) ch1 == 0xD83C) {
            ch2 = chars[index + 1];
            if ((int) ch2 >= 0xDF00 && (int) ch2 <= 0xDFFF) {
                index += 2;
                continue;
            }
        } else if ((int) ch1 == 0xD83D) {
            ch2 = chars[index + 1];
            if ((int) ch2 >= 0xDC00 && (int) ch2 <= 0xDDFF) {
                index += 2;
                continue;
            }
        }
        builder.append(ch1);
        ++index;
    }

    builder.trimToSize(); // remove trailing null characters
    return builder.toString();
}

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From source file:Main.java

/**
  Get 7-bit ASCII character array from input String.
  The lower 7 bits of each character in the input string is assumed to be
  the ASCII character value./* ww  w. j  a v  a 2  s .  c o  m*/
        
   Hexadecimal - Character
        
   | 00 NUL| 01 SOH| 02 STX| 03 ETX| 04 EOT| 05 ENQ| 06 ACK| 07 BEL|
   | 08 BS | 09 HT | 0A NL | 0B VT | 0C NP | 0D CR | 0E SO | 0F SI |
   | 10 DLE| 11 DC1| 12 DC2| 13 DC3| 14 DC4| 15 NAK| 16 SYN| 17 ETB|
   | 18 CAN| 19 EM | 1A SUB| 1B ESC| 1C FS | 1D GS | 1E RS | 1F US |
   | 20 SP | 21  ! | 22  " | 23  # | 24  $ | 25  % | 26  & | 27  ' |
   | 28  ( | 29  ) | 2A  * | 2B  + | 2C  , | 2D  - | 2E  . | 2F  / |
   | 30  0 | 31  1 | 32  2 | 33  3 | 34  4 | 35  5 | 36  6 | 37  7 |
   | 38  8 | 39  9 | 3A  : | 3B  ; | 3C  < | 3D  = | 3E  > | 3F  ? |
   | 40  @ | 41  A | 42  B | 43  C | 44  D | 45  E | 46  F | 47  G |
   | 48  H | 49  I | 4A  J | 4B  K | 4C  L | 4D  M | 4E  N | 4F  O |
   | 50  P | 51  Q | 52  R | 53  S | 54  T | 55  U | 56  V | 57  W |
   | 58  X | 59  Y | 5A  Z | 5B  [ | 5C  \ | 5D  ] | 5E  ^ | 5F  _ |
   | 60  ` | 61  a | 62  b | 63  c | 64  d | 65  e | 66  f | 67  g |
   | 68  h | 69  i | 6A  j | 6B  k | 6C  l | 6D  m | 6E  n | 6F  o |
   | 70  p | 71  q | 72  r | 73  s | 74  t | 75  u | 76  v | 77  w |
   | 78  x | 79  y | 7A  z | 7B  { | 7C  | | 7D  } | 7E  ~ | 7F DEL|
        
 */
public static byte[] getAsciiBytes(String input) {
    char[] c = input.toCharArray();
    byte[] b = new byte[c.length];
    for (int i = 0; i < c.length; i++)
        b[i] = (byte) (c[i] & 0x007F);

    return b;
}

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From source file:Main.java

public static List<Integer> convertOXYLByteArr2List(byte[] bytes) {

    if (bytes != null && bytes.length > 0) {

        List<Integer> oxygenLongList = new ArrayList<>();
        String oxyl = new String(bytes);
        char[] oxylChar = oxyl.toCharArray();
        for (int i = 0; i < oxylChar.length; i++) {
            int oxygen = oxylChar[i];
            oxygenLongList.add(oxygen);/*from   w  ww  .  j  ava 2  s.c om*/
        }
        return oxygenLongList;
    }
    return null;
}

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From source file:Main.java

public static boolean isBalanced(String in) {
    Stack<Character> st = new Stack<Character>();

    for (char chr : in.toCharArray()) {
        switch (chr) {
        case '{':
        case '(':
        case '[':
            st.push(chr);//from   ww  w  .  j  av a 2 s  . c  om
            break;
        case ']':
            if (st.isEmpty() || st.pop() != '[')
                return false;
            break;
        case ')':
            if (st.isEmpty() || st.pop() != '(')
                return false;
            break;
        case '}':
            if (st.isEmpty() || st.pop() != '{')
                return false;
            break;
        }
    }
    return st.isEmpty();
}

---

From source file:Main.java

@NonNull
private static String trimEnd(@NonNull String str, char character) {
    char[] val = str.toCharArray();
    int len = val.length;
    while ((0 < len) && (val[len - 1] == character)) {
        len--;/* www . j  ava2 s.  com*/
    }
    return ((len < val.length)) ? str.substring(0, len) : str;
}

---

From source file:Main.java

/**
 * Trims string by the given character.//from w w  w.  j  a va2s . c om
 * if char is a space character, then is more useful to use String.trim().
 * @param str - string to trim.
 * @param trimChar - char to check.
 * @return trimmed string.
 */
public static String trim(String str, char trimChar) {
    char[] value = str.toCharArray();
    int start = 0, length = value.length;
    while ((start < length) && (value[start] == trimChar)) {
        start++;
    }
    while ((start < length) && (value[length - 1] == trimChar)) {
        length--;
    }
    return ((start > 0) || (length < value.length)) ? str.substring(start, length) : str;
}

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From source file:Main.java

public static String Decrypt(String toDecrypt, String key) {
    char[] chars = toDecrypt.toCharArray();
    char[] newChars = new char[chars.length];
    for (int i = 0; i < chars.length; i++) {
        if (chars[i] > 31 && chars[i] < 240) {
            char c = '?';
            for (int j = 0; j < key.length(); j++) {
                if (key.charAt(j) == chars[i]) {
                    c = (char) (j + 32);
                    break;
                }//from  w  ww .ja v a 2 s. co m
            }

            newChars[i] = c;
        } else if (chars[i] == 240) {
            newChars[i] = '"';
        } else {
            newChars[i] = chars[i];
        }
    }

    return new String(newChars);
}

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From source file:Main.java

public static boolean checkNameChese(String name) {
    boolean res = true;
    char[] cTemp = name.toCharArray();
    for (int i = 0; i < name.length(); i++) {
        if (!isChinese(cTemp[i])) {
            res = false;/*from  w  w  w .j a va2 s  . com*/
            break;
        }
    }
    return res;
}

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From source file:Main.java

public static String escapeXml(String text) {
    char[] textChars = text.toCharArray();
    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < textChars.length; i++) {
        char c = textChars[i];
        switch (c) {
        case '<':
            sb.append(LT, 0, 4);// w  w w .j ava2 s.co  m
            break;
        case '>':
            sb.append(GT, 0, 4);
            break;
        case '&':
            sb.append(AMP, 0, 5);
            break;
        case '"':
            sb.append(QUOT, 0, 6);
            break;
        case '\'':
            sb.append(APOS, 0, 6);
            break;
        default:
            sb.append(c);
        }
    }
    return sb.toString();
}

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