Java Programming Code Examples Java > Java Util Package Code Examples Bean util Calender of the current month Case Insensitive String Class Properties examples Class Stack examples Comparing dates of two files Comparing two dates Compute the difference between two dates Constant Locale Usage Create SimpleDateFormats from a string read from a file Creating a ZIP file DBUtil A utility class for reading and writing character files Hashtable class examples Interface List and class LinkedList example JndiUtil Limiting the Size of a Log by Using a Rotating Sequence of Files Listing the Entries of a JAR File Manifest Logging an Exception NestedException Reading the Contents of a Zip File Remove repeated Strings from Vector SaajUtils Server Side form validation using regex statements Show dates before 1970 Stack Demo StringUtil Timer Trivial class to show use of Date & Calendar objects Use a SimpleDateFormat to print the date our way Using a BitSet to demonstrate the Sieve of Eratosthenes Using a HashSet to remove duplicates Using HashMap to store number of words Writing Log Records Only After a Condition Occurs WsdlViewerUtil