Java concurrenthashmap example and iterator — to

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Today we will look into Java ConcurrentHashMap Example. If you are a Java Developer,I am sure that you must be aware of ConcurrentModificationException that comes when you want to modify the Collection object while using iterator to go through with all its element. Actually Java Collection Framework iterator is great example of implementation.

Java 1.5 has introduced java. util. concurrent package with implementations that allow you to modify your collection objects at runtime.

Did you noticed those angle brackets while creating our collection object and Iterator,it’s called generics in java and it’s very powerful when it comes to type-checking at compile time to remove ClassCastException at runtime,learn more about generics in .

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