Java Program to find the largest number in an array


In this program, You will learn how to find the largest number in an array in java.


List is: 1 2 3 4 5

The largest number is: 5

Example: How to find the largest number in an array in java.

import java.util.Scanner;

class Main {
    public static void main(String args[]) {

        Scanner s = new Scanner(System.in);
        int a[] = new int[100];
        int n, largest = 0;

        System.out.print("Enter size of an array:");
        n = s.nextInt();

        System.out.print("Enter array elements:");

        for (int i = 0; i < n; i++) {
            a[i] = s.nextInt();
        }

        for (int i = 0; i < n; i++) {
            if (largest <= a[i]) {
                largest = a[i];
            }
        }

        System.out.println("Largest number:" + largest);
    }
}

Output:

Enter size of an array:5
Enter array elements:10 20 50 30 40
Largest number:50