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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
    • 1289 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
    • 1190 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
    • 1171 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
    • 809 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
    • 608 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
    • 584 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
    • 3471 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
    • 5071 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...
    • 5030 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...
    • 4965 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...
    • 10389 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/
    • 17814 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/
    • 17344 Hits
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  • How to Serialize Map in Java

    Learn how to serialize a HashMap in Java
    http://beginnersbook.com/2013/12/how-to-serialize-hashmap-in-java/
    • 13071 Hits
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  • How to synchronize map in java

    Learn how to synchronize the Map in Java
    http://beginnersbook.com/2013/12/how-to-synchronize-hashmap-in-java-with-example/
    • 12789 Hits
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  • ArrayList vs Vector : Collection Interview question

    Difference between ArrayList and Vector is the most common Core Java Interview question you will come across in Collection . This question is mostly
    http://javahungry.blogspot.com/2013/12/difference-between-arraylist-and-vector-in-java-col...
    • 7941 Hits
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