Keyword Analysis & Research: write a program to sort an array in java

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Frequently Asked Questions

What is the easiest way to sort an array in Java?

To sort an integer array in Java, call Arrays.sort () method and pass the array as argument. Arrays.sort () method sorts the given array in-place in ascending order.

How to sort an array in reverse order?

For arrays of primitives, there is no direct way to sort them in the reverse of natural ordering. Instead, we must convert an array of primitives to an array of corresponding wrapper objects (e.g. int to Integer ), and then apply the technique above.

What is the Collections.sort() method in Java?

Collections .sort () works for objects Collections like ArrayList, LinkedList, etc. Using the reverse order method: This method will sort the array in the descending. In Java Collections class also provides the reverseOrder () method to sort the array in reverse-lexicographic order.

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