By Herbert Schildt

Your final "How-To" advisor to Java Programming!

Legendary programming writer Herb Schildt stocks a few of his favourite programming ideas during this high-powered Java "cookbook." equipped for fast reference, each one recipe indicates easy methods to accomplish a pragmatic programming job. A recipe starts off with an inventory of key elements (the sessions, tools, and interfaces) by way of step by step directions that express easy methods to gather them right into a whole resolution. distinct discussions clarify the how and why in the back of every one step, and an entire code instance places the recipe into motion. every one recipe ends with an inventory of suggestions and possible choices that recommend how you can adapt the strategy to healthy various events. even if you are a newbie or an skilled seasoned, you can find recipes which are certain to fulfill your Java programming appetite!

Topics include:

  • String dealing with
  • ordinary Expressions
  • dossier dealing with
  • Applets
  • Servlets
  • Swing
  • The Collections Framework
  • Multithreading
  • Formatting facts

Learn how to:

  • locate substrings that fit a customary expression
  • Use general expressions to tokenize a string
  • Compress and decompress info files
  • Create a zipper file
  • Format time and date
  • Use printf( ) to show formatted data
  • Reverse, rotate, and shuffle a list
  • Use a Comparator with a collection
  • Create an easy Swing application
  • Create a Swing-based applet
  • Create an easy servlet
  • Use a cookie with a servlet
  • Synchronize threads
  • Monitor a thread's state
  • Set and procure a thread's priority
  • Use JScrollPane to automate scrolling
  • Access a source utilizing HttpURLConnection
  • Schedule a role for destiny execution
  • Use mirrored image to dynamically create an item and speak to methods
  • Much, a lot more

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Extra info for Herb Schildt's Java Programming Cookbook

Sample text

Kvps[i] = new KVPair(tmp[0], tmp[1]); } return kvps; } } // Demonstrate getKVPairs(). println("Key/value string: " + testStr); // Get an array that contains the keys and values. KVPair kvpairs[]; try { // This call to getKVPairs() specifies that // key/value pairs are separated by a comma (and // any number of spaces) and that a key is separated // from its value by an = (and any number of spaces). "); return; } // Display each key and its value. 25 Options and Alternatives Although using split( ) is usually the far easier approach, you can extract key/value pairs by employing a combination of other String methods, such as indexOf( ) and substring( ).

This class encapsulates the static getKVPairs() method. class KVSplit { // This method extracts the key/value pairs stored // within a string and returns an array that contains // each key and value encapsulated within a KVPair object. // // It is passed the string that contains the key/value pairs // and two regular expressions that describe the delimiters // used to extract the key/value pairs. The pairSep parameter // specifies the pattern that separates one key/value pair // from the next within the string.

Using the IgnoreCaseComp comparator corrects this problem. Chapter 2: Wo r k i n g w i t h S t r i n g s a n d R e g u l a r E x p re s s i o n s Initial order: alpha Gamma Zeta beta Case-insensitive sorted order: alpha beta Gamma Zeta Default, case-sensitive sorted order: Gamma Zeta alpha beta Options and Alternatives Although the compareToIgnoreCase( ) method works well in many cases (such as when comparing strings in English), it will not work for all languages and locales. Collator. It is shown here: int compare(String strA, String strB) It returns less than zero if the invoking string is less than str, greater than zero if the invoking string is greater than str, and zero if they are equal.

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