JAVA - Core JAVA Tutorials

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• final vs finally vs finalize in java

  Though final, finally and finalize in Java may look similar by there name, they are not related to each other in any way. final keyword is a modifier,
  http://javarevisited.blogspot.com/2012/11/difference-between-final-finally-and-finalize-ja...
  
  • 976 Hits
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• When to use @Override annotation in Java

  @Override annotation is very useful annotation, which prevents lots of programming error in Java. This tutorial shows you, what is @Override annotatio
  http://javarevisited.blogspot.in/2012/11/why-use-override-annotation-in-java.html
  
  • 1200 Hits
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• When to use static import in Java with example

  Static import in Java is a pretty useful feature, which allows to only import static members of a certain class e.g. static fields and static methods.
  http://javarevisited.blogspot.com/2012/10/what-is-static-import-in-java-5-example-tutorial.html
  
  • 871 Hits
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• Area of Triang in Java Program

  This tutorial shows how to calculate area of triangle in Java. In order to calculate area of triangle, first thing to know is the formula and than und
  http://javarevisited.blogspot.com/2012/10/java-program-to-calculate-area-of-triangle-examp...
  
  • 787 Hits
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• How to use notify and notifyAll method in Java

  Wait, notify and notifyAll are three mysterious method which are used for inter thread communication. mysterious, because they are difficult to unders
  http://javarevisited.blogspot.sg/2012/10/difference-between-notify-and-notifyall-java-exam...
  
  • 3167 Hits
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• How to add JAR file into ClassPath in Java

  Several time we need to use external library like Struts, Spring, XML parsing library and several other in form of JAR file. In order to use them in J
  http://javarevisited.blogspot.sg/2012/10/5-ways-to-add-multiple-jar-to-classpath-java.html
  
  • 3157 Hits
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• Garbage Collection Questions asked in Java Interviews

  Collection of some frequently asked, good and practical garbage collection Questions, asked in Java Interviews. These questions are immensely useful f
  http://javarevisited.blogspot.com/2012/10/10-garbage-collection-interview-question-answer.html
  
  • 3499 Hits
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• How to read user imput from command prompt in Java

  First approach to write interactive programs in Java is starts with getting user input from command prompt. This article explains nice and easy way to
  http://javarevisited.blogspot.com/2012/10/java-program-to-get-input-from-user.html
  
  • 3492 Hits
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• How to use Inheritance in Java with Example

  Inheritance is a Object Oriented Concept, which allows you to reuse code by extending an already tried and tested code. This article, shows What is In
  http://javarevisited.blogspot.com/2012/10/what-is-inheritance-in-java-and-oops-programming.html
  
  • 4837 Hits
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• Difference between EnumMap and HashMap in Java

  EnumMap is a special Map interface implementation for Enum keys which take advantage of Enum properties to make assumption about key objects. EnumMap
  http://javarevisited.blogspot.com/2012/09/difference-between-enummap-and-hashmap-in-java-v...
  
  • 3900 Hits
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• How to override toString method in Java with Examples

  toString() is one of the important method in Java programming language. This article discusses some practical tips to get most out of toString() metho
  http://javarevisited.blogspot.com/2012/09/override-tostring-method-java-tips-example-code.html
  
  • 3837 Hits
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• How to use EnumMap in Java with Example

  EnumMap is a enum based datastructure introduced in Java 5 and an optimized, fast alternative of HashMap if keys are enum. This article explores when
  http://javarevisited.blogspot.com/2012/09/what-is-enummap-in-java-example-tutorial.html
  
  • 4435 Hits
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• How to use Generics to write Parameterized Java Class

  Generic of Java 5 allow you to write parameterized class and method which can provide type safety during compile time.
  http://javarevisited.blogspot.com/2012/08/how-to-write-parametrized-class-method-Generic-e...
  
  • 2294 Hits
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• How to read String from InputStream in Java with Exampl

  Reading String from InputStream is a common Java programming task and there are several ways you can read String from InputStream e.g. using Scanner,
  http://javarevisited.blogspot.com/2012/08/convert-inputstream-to-string-java-example-tutor...
  
  • 3563 Hits
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• Class loading and Initialization in Java

  Classloading and Initialization of class variables, member variable, super class and sub class variables are one of the most important concept to unde
  http://javarevisited.blogspot.com/2012/07/when-class-loading-initialization-java-example.html
  
  • 2838 Hits
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• How to use Autoboxing and Unboxing in Java with Example

  Autoboxing is introduced in JDK 5 and allows automatic conversion of primitive to Object type. There are subtle details about auto boxing which is req
  http://javarevisited.blogspot.sg/2012/07/auto-boxing-and-unboxing-in-java-be.html
  
  • 3413 Hits
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• Instance variable vs Local variable in java

  This tutorial explains about what is local and instance variables and the difference between the instance variable and local variable
  http://www.techlabs4u.com/2012/10/instance-variable-vs-local-variable-in.html
  
  • 3132 Hits
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• Java Garbage Collection Tutorial

  This tutorial explains about what is garbage collection in java
  http://www.techlabs4u.com/2012/10/garbage-collection-in-java-tutorial.html
  
  • 5914 Hits
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• What is builder pattern in Java with real life Example

  Builder pattern in Java is used to create objects with lots of mandatory and option value. Since after 4 or 5 arguments constructor started getting ug
  http://javarevisited.blogspot.com/2012/06/builder-design-pattern-in-java-example.html
  
  • 3913 Hits
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• What is UseCompressedOops option in 64 bit JVM - Java

  -XX:UseCompressedOops is a JVM command line option which is provided in 64 bit hotspot JVM. Since size of OOPS is larger in 64 bit JVM which reduces C
  http://javarevisited.blogspot.com/2012/06/what-is-xxusecompressedoops-in-64-bit.html
  
  • 4534 Hits
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• How to delete HTML special characters form JSP and Java

  http://java67.blogspot.sg/2012/10/how-to-escape-html-special-characters-JSP-Java-Example.html
  http://java67.blogspot.sg/2012/10/how-to-escape-html-special-characters-JSP-Java-Example.html
  
  • 3012 Hits
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• What is NullPointerException in Java how to deal

  Java.lang.NullPointerException comes when we try to access any field or method on Object which is null. Its come mainly due to programming mistake and
  http://javarevisited.blogspot.sg/2012/06/common-cause-of-javalangnullpointerexce.html
  
  • 6801 Hits
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