Methods that take or return a boolean, indescendingorder?

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Java

This is the whole question:

1. Write a method:
+ inDescendingOrder(a:int, b:int, c:int): boolean

2. inDescendingOrder takes three parameters and returns true if a, b and c are in descending order and false otherwise.

3. Write a main method that asks the user for three numbers and then uses them to call inDescendingOrder() and reports if the initial 3 numbers were given in descending order or not.

A typical interaction might look like: Welcome to inDescendingOrder:
Enter the first number: 8
Enter the second number: 4
Enter the third number: 5
Those numbers were not entered in descending order. Where eight, four and five were the numbers entered by the user.









(When I try to run the code in the jGRASP, even if the numbers are not in descending order, it still says it's in descending order).

I want the code to be in if/ else statements and not arrays.

What I have tried:

import java.util.Scanner;
public class DescendingOrder{
   public static void main(String[] args){
      System.out.println("Welcome to inDecending Order");
      int a = readInt("Enter first number:  ");
      int b = readInt("Enter second number: ");  
      int c = readInt("Enter third number: ");
      inDescendingOrder(a,b,c);
      if(true){
         System.out.println("Those number were entered in decending order");
      }else if(false){
         System.out.println("Those number were not entered in decending order");
       }else{
         System.out.println("Error");
      //inDescendingOrder(a,b,c);
      }
   }
   public static boolean inDescendingOrder(int a, int b, int c){
      boolean flag;
      if ((a<= b) && (a <= c)){
         return flag= false;
      }else if ((a<=b) && (a>=c)){
         return flag= false;
     
        // return "Those number were not entered in decending order";
      }else if ((a >= b) && (a >= c)){
         return flag = true;
         //return "Those number were entered in decending order";
      }else{
         return true;
      }
   }  

   public static int readInt(String prompt){    
      Scanner sc = new Scanner(System.in);  
      System.out.println(prompt);  
      return sc.nextInt();  
   }  
}