Program in C to find largest number using if statement

#include <stdio.h>

int main() {

  double num1, num2, num3;

  printf("Enter first number: ");
  scanf("%lf", &num1);
  printf("Enter second number: ");
  scanf("%lf", &num2);
  printf("Enter third number: ");
  scanf("%lf", &num3);

  // if num1 is greater than num2 & num3, num1 is the largest
  if (num1 >= num2 && num1 >= num3)
    printf("%lf is the largest number.", num1);

  // if num2 is greater than num1 & num3, num2 is the largest
  if (num2 >= num1 && num2 >= num3)
    printf("%lf is the largest number.", num2);

  // if num3 is greater than num1 & num2, num3 is the largest
  if (num3 >= num1 && num3 >= num2)
    printf("%lf is the largest number.", num3);

  return 0;
}

import java .util.*;
public class Learner {
    public static void main(String[] args) 
    {
        Scanner sc = new Scanner(System.in);
        System.out.println("Enter first number:");
        int num1 = sc.nextInt();
        System.out.println("Enter Second number:");
        int num2 = sc.nextInt();
        System.out.println("Enter Third number:");
        int num3 = sc.nextInt();
        if (num1 >= num2 && num1 >= num3) {
            System.out.println(num1 + "is the largest number.");
        }
        if (num2 >= num1 && num2 >= num3) {
            System.out.println(num2 + "is the largest number.");
        }
        if (num3 >= num1 && num3 >= num2) {
            System.out.println(num3 + "is the largest number.");
        }
    }
}

OUTPUT

Enter the first number:400
Enter the second number:50
Enter the third number:30
400 is the largest number.

OUTPUT

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