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Create an application containing an array that stores eight integers. The application should call five methods that in turn:
Display all the integers
Display all the integers in reverse order
Display the sum of the integers
Display all values less than a limiting argument
Display all values that are higher than the calculated average value.
public class ArrayMethodDemo {
public static void main (String args[]) {
int[] numbers = {12, 15, 34, 67, 4, 9, 10, 7};
int limit = 12;
display(numbers);
displayReverse(numbers);
displaySum(numbers);
displayLessThan(numbers, limit);
displayHigherThanAverage(numbers);
}
public static void display(int[] numbers) {
// Write your code here
}
public static void displayReverse(int[] numbers) {
// Write your code here
}
public static void displaySum(int[] numbers) {
// Write your code here
}
public static void displayLessThan(int[] numbers, int limit) {
// Write your code here
}
public static void displayHigherThanAverage(int[] numbers) {
// Write your code here
}
}


Sagot :

Answer:

public class ArrayMethodDemo {

   public static void main (String args[]) {

       int[] numbers = {12, 15, 34, 67, 4, 9, 10, 7};

       int limit = 12;

       display(numbers);

       displayReverse(numbers);

       displaySum(numbers);

       displayLessThan(numbers, limit);

       displayHigherThanAverage(numbers);

   }

   

   public static void display(int[] numbers) {

       

       //Message to be displayed before printing out the numbers

      System.out.print("Numbers in the array: ");

       

       //loop through the numbers in the array and print each number

       for(int x: numbers){

           System.out.print(x + " ");

       }

       

       //print a new line

       System.out.println();

   }

   

   public static void displayReverse(int[] numbers) {

       

       //Message to be displayed before printing out the reverse of the array

       System.out.print("Reverse of the array numbers: ");

       

       

       //loop through the array starting from the last index

       for(int i = numbers.length - 1; i > 0; i--){

           System.out.print(numbers[i] + " ");

       }

       

       //print a new line

       System.out.println();

   }

   

   public static void displaySum(int[] numbers) {

       

       //initialize the sum variable

       int sum = 0;

       

       //loop through the array and add each element to sum

       for(int i = 0; i < numbers.length; i++){

           sum += numbers[i];

       }

       

       //print out the sum

      System.out.println("Sum: "  + sum);

       

   }

   

   public static void displayLessThan(int[] numbers, int limit) {

       

       //Text to be displayed before printing values less than the limit

       System.out.print("Values less than limit (" + limit + "): ");  

       //loop through the array and print numbers lower than the specified limit

       for(int i = 0; i < numbers.length; i++){

           if(numbers[i] < limit){

               System.out.print(numbers[i] + " ");

           }

       }

       

       //print a new line

       System.out.println();

   }

   

   public static void displayHigherThanAverage(int[] numbers) {

       //initialize the average variable

       double average = 0.0;

       

       //initialize the sum variable

       int sum = 0;

       

       

       //loop through the array and add each element to sum

      for(int i = 0; i < numbers.length; i++){

           sum += numbers[i];

       }

       

       //calculate the average

      average = sum / numbers.length;

       

       //Message to be displayed before printing the values higher than the average

       System.out.print("Values higher than average (" + average + "): ");

       

       

       //loop through the array and print numbers higher than the calculated average

      for(int i = 0; i < numbers.length; i++){

           if(numbers[i] > average){

               System.out.print(numbers[i] + " ");

           }

       }

       

       //print a new line

       System.out.println();

   }

   

}

Sample Output:

Numbers in the array: 12 15 34 67 4 9 10 7  

Reverse of the array numbers: 7 10 9 4 67 34 15  

Sum: 158

Values less than limit (12): 4 9 10 7  

Values higher than average(19.0):34 67

Explanation:

The code above contains comments explaining important parts of the code. Kindly go through the comments. A sample output, arising from running the application, has also been added to ace understandability.