Right justify string, ensuring that the string ends at the last character : String format « Data Type « Java

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Java » Data Type » String formatScreenshots 
Right justify string, ensuring that the string ends at the last character
      
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/*
 * JBoss DNA (http://www.jboss.org/dna)
 * See the COPYRIGHT.txt file distributed with this work for information
 * regarding copyright ownership.  Some portions may be licensed
 * to Red Hat, Inc. under one or more contributor license agreements.
 * See the AUTHORS.txt file in the distribution for a full listing of 
 * individual contributors.
 *
 * JBoss DNA is free software. Unless otherwise indicated, all code in JBoss DNA
 * is licensed to you under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * JBoss DNA is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

/**
 * Utilities for string processing and manipulation.
 */
public class StringUtil {


  /**
   * Right justify the contents of the string, ensuring that the string ends at the last character. If the supplied string is
   * longer than the desired width, the leading characters are removed so that the last character in the supplied string at the
   * last position. If the supplied string is shorter than the desired width, the padding character is inserted one or more
   * times such that the last character in the supplied string appears as the last character in the resulting string and that
   * the length matches that specified.
   
   @param str the string to be right justified; if null, an empty string is used
   @param width the desired width of the string; must be positive
   @param padWithChar the character to use for padding, if needed
   @return the right justified string
   */
  public static String justifyRightString str,
                                     final int width,
                                     char padWithChar ) {
      assert width > 0;
      // Trim the leading and trailing whitespace ...
      str = str != null ? str.trim() "";

      final int length = str.length();
      int addChars = width - length;
      if (addChars < 0) {
          // truncate the first characters, keep the last
          return str.subSequence(length - width, length).toString();
      }
      // Prepend the whitespace ...
      final StringBuilder sb = new StringBuilder();
      while (addChars > 0) {
          sb.append(padWithChar);
          --addChars;
      }

      // Write the content ...
      sb.append(str);
      return sb.toString();
  }

}

   
    
    
    
    
    
  
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29. Left justify the contents of the string, ensuring that the supplied string begins at the first character and that the resulting string is of the desired length.
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31. Escapes all necessary characters in the String so that it can be used in SQL
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33. Adds zeros to the beginning of a value so that the total length matches the given precision, otherwise trims the right digits.
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38. Uncapitalizes a String changing the first letter to title case as per Character.toLowerCase(char). No other letters are changed.
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