vector arraylist

Collections Comparisons

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You must be very strong in Java DS to write comparisons between various Collection classes. This tutorial gives you possible Java DS comparisons. Enumeration vs Iterator Iterator vs ListIterator Vector vs ArrayList Array vs ArrayList for vs foreach Hashtable vs HashMap Set vs HashSet Map vs HashMap HashMap vs TreeMap Comparable vs Comparator HashSet vs …

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Vector vs ArrayList

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When to prefer Vector vs ArrayList? By functionality, both are very similar. Both are derived from List interface. The most important difference is that Vector methods are synchronized where as ArrayList methods are not. In a multithreaded environment, when a number clients access same instance where data is very critical and important, it is advised …

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