Example: Java Program to Find Smallest and Largest Element in an Array using For loop

// Java Program to Find Smallest and Largest Element in an Array using For loop
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);

        int x[], s, i, b, sm;
        x = new int[50];
        
        // x - To store array list of input numbers
        // s - To store size of the array
        // b - To store big element variable
        // sm - To store small element variable
        
        System.out.println ("\n-----Enter the size of the array-----\n");
        s = in.nextInt();
        
        System.out.println ("\n\n-----Enter the " + s + " elements of the array-----\n");
        for(i = 0; i < s; i++) {
            x[i] = in.nextInt();
        }

        // It stored first element of array to check the element
        b = x[0];
        
        for(i = 1; i < s; i++) {
            // It checks one by one with each value of array
            // To compare the value is smallest or largest
            if(b < x[i]) {
                b = x[i];
            }
        }
        
        System.out.println ("\n-----The largest element is: " + b + "\n");

        // It stored first element of array to check the element
        sm = x[0];
        
        for(i = 1; i < s; i++) {
            // It checks one by one with each value of array
            // To compare the value is smallest or largest
            if(sm > x[i]) {
                sm = x[i];
            }
        }
        System.out.println ("\n-----The smallest element is: " + sm + "\n");
    }
}