# Selection Sort in Java

Oct 20, 2021

Machine Problem

Write a Java program that will perform selection sort algorithm by asking the user to give a number and then it is display the original arrangement of numbers, and its sorted values.

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Program Listing

``````package test;

import java.util.Scanner;

/*
* Selection_Sort.java
*
* Jake Rodriguez Pomperada, MAED-IT, MIT
* Bacolod City, Negros Occidental Philippines
*
* Machine Problem
*
* Write a Java program that will perform selection sort algorithm by
* asking the user to give a number and then it is display the original
* arrangement of numbers, and its sorted values.
*
*/

public class Selection_Sort {

public static void main(String args[])
{
int size, i, j, temp;
int arr[] = new int[50];

@SuppressWarnings("resource")
Scanner scan = new Scanner(System.in);

System.out.println();
System.out.println("\tSelection Sort in Java");
System.out.println();

System.out.print("Enter Array Size : ");
size = scan.nextInt();

for(i=0; i<size; i++)
{
System.out.print("Enter Element Value No." + (i+1) + ": ");
arr[i] = scan.nextInt();
}

System.out.println();
System.out.print("UnSorted Array Values : \n");
System.out.println();
for(i=0; i<size; i++)
{
System.out.print(arr[i]+ "  ");
}

System.out.println();
for(i=0; i<size; i++)
{
for(j=i+1; j<size; j++)
{
if(arr[i] > arr[j])
{
temp = arr[i];
arr[i] = arr[j];
arr[j] = temp;
}
}
}

System.out.println();
System.out.print("Sorted Array Values : \n");
System.out.println();
for(i=0; i<size; i++)
{
System.out.print(arr[i]+ "  ");
}

System.out.println("\n\n");
System.out.print("End of Program \n");
System.out.println();
scan.close();
}
}

``````