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Java program to find smallest element in an array



In this java program, we are reading an integer array of N elements and finding smallest element among them.
Submitted by Chandra Shekhar, on February 03, 2018

Given an array of N integers and we have to find its minimum/smallest element using Java program.

Example:

    Input:
    Enter number of elements: 4
    Input elements: 45, 25, 69, 40

    Output:
    Smallest element in: 25

Program to find smallest element from an array in java

import java.util.Scanner;
public class ExArrayFindMinimum
{
    public static void main(String[] args) 
    {
    	// Intialising the variables
        int n, min;
        Scanner Sc = new Scanner(System.in);
        
        // Enter the number of elements.
        System.out.print("Enter number of elements : ");
        n = Sc.nextInt();
        
        // creating an array.
        int a[] = new int[n];
        
        // enter array elements.
        System.out.println("Enter the elements in array : ");
        for (int i = 0; i < n; i++) 
        {
            a[i] = Sc.nextInt();
        }
        
        for (int i = 0; i < n; i++) 
        {
            for (int j = i + 1; j < n; j++) 
            {
                if (a[i] > a[j]) 
                {
                    min = a[i];
                    a[i] = a[j];
                    a[j] = min;
                }
            }
        }
        System.out.println("The Smallest element in the array is :"+a[0]);
    }
}

Output

Enter number of elements : 4
Enter the elements in array : 
45
25
69
40
The Smallest element in the array is :25





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