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JAVA: Enhanced For Loop

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Enhanced for loop was introduced in JAVA 5 as a simple way to iterate all the elements of a collection.

It is useful when scanning a array instead of using for loop. 
Here we will take a simple example to sum all the elements of an array

    public class EnhancedForLoop {
    public static void main(String[] args) {        int  arr[]={3,2,4,5};        int sum=0;

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