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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
    • 1400 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...
    • 1039 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...
    • 966 Hits
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  • ArrayList Sorting Example in Java

    Java coding tips to sort ArrayList in increasing and decreasing Order. Order is controlled by Comparator and Comparable interfaces, there are also som
    http://java67.blogspot.com/2012/08/how-to-sort-arraylist-in-java-list.html
    • 2190 Hits
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  • Unmodifiable or Read Only Collection in Java

    Sometime, you want to make your Collection class read only e.g. for sharing between two modules, functions or objects. Java API provides easy way to c
    http://java67.blogspot.com/2012/08/how-to-create-read-only-collection-in-java-example.html
    • 2051 Hits
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  • String to Enum Java Example

    Given String being widely used everywhere, we often need to convert it to different data types, e.g. You have retrieved String values from database an
    http://java67.blogspot.com/2012/08/how-to-create-enum-from-string-in-java.html
    • 1991 Hits
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  • HashMap vs ArrayList in Java

    If you have to name two most popular collection classes then most programmers will say ArrayList and HashMap. Indeed they are the two pillars of Colle
    http://java67.blogspot.com/2012/08/difference-between-hashmap-and-ArrayList-in-Java.html
    • 1666 Hits
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  • When to use TreeMap and TreeSet in Java

    Though Both TreeMap and TreeSet has lot of similarity e.g. they maintains their elements in sorted order, they are completely different to each other
    http://java67.blogspot.com/2012/08/difference-between-treemap-and-treeset-java.html
    • 1451 Hits
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  • ArrayList Loop Example in Java

    Simple example to show, what are various way to iterate over ArrayList in Java, including Java 5 advanced foreach loop and by using Iterator. IMHO bes
    http://java67.blogspot.sg/2012/07/how-to-iterate-loop-traverse-list-java.html
    • 1396 Hits
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  • Different ways to iterate HasMap

    We have different ways to iterate HashMap. Using keySet,entrySet by using Map.Entry we can do the iterations. as well as we can use for-each loops.
    http://javabynataraj.blogspot.in/2014/06/how-to-iterate-or-traverse-map-in-java.html
    • 4317 Hits
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  • How to Sort Collection in Java in descending Order

    Every Java program make heavy use of Collection framework. Collection classes are used to store huge number of data or value objects e.g. Employee, Or
    http://java67.blogspot.sg/2012/07/sort-list-ascending-descending-order-set-arraylist.html
    • 5880 Hits
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  • HashSet vs TreeSet

    HashSet and TreeSet are the leaves of the same branch , in java words they both implements the Set interface.
    http://javahungry.blogspot.com/2014/03/difference-between-hashset-and-treeset-similarities...
    • 5901 Hits
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  • Difference between HashMap and Hashtable

    Difference between HashMap and Hashtable is one of the most popular java interview questions.
    http://javahungry.blogspot.com/2014/03/hashmap-vs-hashtable-difference-with-example-java-i...
    • 5833 Hits
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  • Hashmap vs ConcurrentHashMap:Collection interview Ques

    The question hashmap vs concurrenthashmap is asked to check whether candidate has understanding of the concept concurrency .
    http://javahungry.blogspot.com/2014/02/hashmap-vs-concurrenthashmap-java-collections-inter...
    • 11456 Hits
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  • How to loop ArrayList in Java

    Multiple ways to loop or iterate ArrayList in Java
    http://beginnersbook.com/2013/12/how-to-loop-arraylist-in-java/
    • 18635 Hits
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  • How to trim the size of the ArrayList

    Java: How to trim the unused space allocated to the ArrayList
    http://beginnersbook.com/2013/12/java-arraylist-trimtosize-method-example/
    • 18177 Hits
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