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Java Program for Selection Sort
• Difficulty Level : Basic
• Last Updated : 09 Aug, 2017

The selection sort algorithm sorts an array by repeatedly finding the minimum element (considering ascending order) from unsorted part and putting it at the beginning. The algorithm maintains two subarrays in a given array.

1) The subarray which is already sorted.
2) Remaining subarray which is unsorted.

In every iteration of selection sort, the minimum element (considering ascending order) from the unsorted subarray is picked and moved to the sorted subarray.

Java

 `// Java program for implementation of Selection Sort``class` `SelectionSort``{``    ``void` `sort(``int` `arr[])``    ``{``        ``int` `n = arr.length;` `        ``// One by one move boundary of unsorted subarray``        ``for` `(``int` `i = ``0``; i < n-``1``; i++)``        ``{``            ``// Find the minimum element in unsorted array``            ``int` `min_idx = i;``            ``for` `(``int` `j = i+``1``; j < n; j++)``                ``if` `(arr[j] < arr[min_idx])``                    ``min_idx = j;` `            ``// Swap the found minimum element with the first``            ``// element``            ``int` `temp = arr[min_idx];``            ``arr[min_idx] = arr[i];``            ``arr[i] = temp;``        ``}``    ``}` `    ``// Prints the array``    ``void` `printArray(``int` `arr[])``    ``{``        ``int` `n = arr.length;``        ``for` `(``int` `i=``0``; i

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