JAVA Collections Tutorials

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  • How HashSet works internally in Java

    This post talks about how HashSet works internally in Java
    http://netjs.blogspot.com/2015/09/how-hashset-works-internally-in-java.html
    • 32718 Hits
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  • 6 ways to iterate hashmap in java example

    This tutorial covers many ways to traverse hashmap in java
    http://javaonlineguide.net/2014/12/6-ways-to-iterate-or-loop-elements-in-a-hashmap-in-java...
    • 32617 Hits
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  • Difference between ArrayList and LinkedList in Java

    This post talks about the difference between two of the list implementations ArrayList and LinkedList
    http://netjs.blogspot.com/2015/08/difference-between-arraylist-and-linkedlist-in-java.html
    • 32553 Hits
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  • How ArrayList works internally in Java

    This post talks about how ArrayList works internally in Java
    http://netjs.blogspot.in/2015/08/how-arraylist-works-internally-in-java.html
    • 32705 Hits
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  • How to loop through a HashMap

    A brief post about how to iterate a HashMap using iterator, For-Each loop and For-Each with Lambda expression in Java 8
    http://netjs.blogspot.com/2015/05/how-to-loop-iterate-hash-map-in-java.html
    • 32231 Hits
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  • How HashMap internally works in Java

    This tutorial talks about how HashMap works internally, how key, value pair is stored
    http://netjs.blogspot.in/2015/05/how-hashmap-internally-works-in-java.html
    • 32391 Hits
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  • Vector vs ArrayList in Java

    Difference between Vector and ArrayList is one of the oldest Java Interview question. Though Vector has been outdated from long time, I still see this
    http://java67.blogspot.com/2012/09/arraylist-vs-vector-in-java-interview.html
    • 32234 Hits
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  • How to use CopyOnWriteArrayList in Java

    CopyOnWriteArrayList was added in JDK 1.5 but not many programmer are aware of this handy implementation of List interface. It is very useful in concu
    http://java67.blogspot.com/2012/09/what-is-copyonwritearraylist-in-java-example-vs-arrayli...
    • 32154 Hits
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  • Java Design Pattern Questions for Experienced Programmers

    Design patterns are very important from interview point of view but same time they also offer learning opportunity. This list is collection of some go
    http://java67.blogspot.sg/2012/09/top-10-java-design-pattern-interview-question-answer.html
    • 32033 Hits
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  • TreeSet vs HashSet in Java

    Both TreeSet and HashSet implements Set interface but they are quite different to each other. In order to use them effectively, knowing difference bet
    http://java67.blogspot.in/2012/08/difference-between-hashset-and-treeset-java.html
    • 31931 Hits
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  • How to Iterate Over ArrayList in Java

    There are multiple ways to loop through ArrayList in Java, depending upon whether you want to loop through all elements or only some, you can either u
    http://java67.blogspot.com/2012/08/how-to-traverse-iterate-or-loop-ArrayList-in-java-examp...
    • 31912 Hits
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  • HashSet vs HashMap in Java

    In this article, we are comparing two of the most common Collection classes HashSet and HashMap in Java. Fundamental difference between HashSet and Ha
    http://java67.blogspot.com/2012/08/difference-between-hashset-and-hashmap.html
    • 31970 Hits
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  • java.util.HashMap in detail with a program

    HashMap is a class from java.util package and extends AbstractMap, implements Map,Cloneable and Serializable interfaces. HashMap contains Key,Value pa
    http://javabynataraj.blogspot.in/2014/09/javautilhashmap-in-detail-with-program.html
    • 32537 Hits
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  • Hashtable vs HashMap in Java

    Hashtable and HashMap are two of the most fundamental classes from Java Collections Framework. They both implement Map interface, earlier Hashtable us
    http://java67.blogspot.co.uk/2012/08/5-difference-between-hashtable-hashmap-Java-collectio...
    • 31748 Hits
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  • ConcurrentHashMap vs HashMap in Java

    Java beginners often confused between ConcurrentHashMap and HashMap. They tend to use CHM even when its not required and they use HashMap where its no
    http://java67.blogspot.com/2012/08/difference-between-hashmap-and-concurrentHashMap-java-c...
    • 31913 Hits
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