Examples of java.lang.String.charAt()

java.lang.String.charAt()
Returns the char value at the specified index. An index ranges from 0 to length() - 1. The first char value of the sequence is at index 0, the next at index 1, and so on, as for array indexing.
If the char value specified by the index is a surrogate, the surrogate value is returned. @param index the index of the char value. @return the char value at the specified index of this string.The first char value is at index 0. @exception IndexOutOfBoundsException if the indexargument is negative or not less than the length of this string.

  public static String newUUID() {
    String uuid = java.util.UUID.randomUUID().toString();
    
      StringBuffer goodUuid = new StringBuffer();
      for(int i = 0; i < uuid.length(); i ++) {
          char c = uuid.charAt(i);
          if( c != '-' ) {
            goodUuid.append(c);
          }
  }

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            sb.append((char) ch);
        }


        String s = sb.toString();
        // CUSTOM NUMBERS start
        boolean convert = Character.isLetter(s.charAt(s.length()-1)) && !s.contains("x");
        Number n;
        if (convert) {
            n = matchNumber(s.substring(0, s.length()-1));
            s = s.toLowerCase();
            if (s.endsWith("d")) {

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    // get canonical name of target and remove trailing separator
    //
    @Nonnull
    String canonicalTarget = target;


    if ( canonicalTarget.charAt( canonicalTarget.length() - 1 ) == SLASH || canonicalTarget.charAt( canonicalTarget.length() - 1 ) == BACKSLASH ) {
      canonicalTarget = canonicalTarget.substring( 0, canonicalTarget.length() - 1 );
    }


    if ( canonicalTarget.equals( canonicalBase ) ) {
      return ".";

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    // get canonical name of target and remove trailing separator
    //
    @Nonnull
    String canonicalTarget = target;


    if ( canonicalTarget.charAt( canonicalTarget.length() - 1 ) == SLASH || canonicalTarget.charAt( canonicalTarget.length() - 1 ) == BACKSLASH ) {
      canonicalTarget = canonicalTarget.substring( 0, canonicalTarget.length() - 1 );
    }


    if ( canonicalTarget.equals( canonicalBase ) ) {
      return ".";

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        }


        // START S1AS 6178005
        String stubPath = wmInfo.getStubPath();
        if (stubPath != null && stubPath.length() > 0) {
            if (stubPath.charAt(0) != '/') {
                stubPath = "/" + stubPath;
            }
            loader.addRepository("file:" + stubPath + File.separator);
        }
        // END S1AS 6178005

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    // get canonical name of target and remove trailing separator
    //
    @Nonnull
    String canonicalTarget = target;


    if ( canonicalTarget.charAt( canonicalTarget.length() - 1 ) == SLASH || canonicalTarget.charAt( canonicalTarget.length() - 1 ) == BACKSLASH ) {
      canonicalTarget = canonicalTarget.substring( 0, canonicalTarget.length() - 1 );
    }


    if ( canonicalTarget.equals( canonicalBase ) ) {
      return ".";

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    // get canonical name of target and remove trailing separator
    //
    @Nonnull
    String canonicalTarget = target;


    if ( canonicalTarget.charAt( canonicalTarget.length() - 1 ) == SLASH || canonicalTarget.charAt( canonicalTarget.length() - 1 ) == BACKSLASH ) {
      canonicalTarget = canonicalTarget.substring( 0, canonicalTarget.length() - 1 );
    }


    if ( canonicalTarget.equals( canonicalBase ) ) {
      return ".";

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        }


        // START S1AS 6178005
        String stubPath = wmInfo.getStubPath();
        if (stubPath != null && stubPath.length() > 0) {
            if (stubPath.charAt(0) != '/') {
                stubPath = "/" + stubPath;
            }
            loader.addRepository("file:" + stubPath + File.separator);
        }
        // END S1AS 6178005

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        }


        // START S1AS 6178005
        String stubPath = wmInfo.getStubPath();
        if (stubPath != null && stubPath.length() > 0) {
            if (stubPath.charAt(0) != '/') {
                stubPath = "/" + stubPath;
            }
            loader.addRepository("file:" + stubPath + File.separator);
        }
        // END S1AS 6178005

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            int ch = read1(r);
            if (ch == -1)
                throw Util.runtimeException("EOF while reading character");
            String token = readToken(r, (char) ch);
            if (token.length() == 1)
                return Character.valueOf(token.charAt(0));
            else if (token.equals("newline"))
                return '\n';
            else if (token.equals("space"))
                return ' ';
            else if (token.equals("tab"))

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