IT 401 Assignment 3 | Complete Solution

Question One
Do as Directed. (Each question will have 1 mark)
(i)    What will be output of the following code?

        int i = 0;
        while (i != 9)
        {
           System.out.println(" " + i);
           i = i + 2;
}
        Answer:
            

(ii)    What will be the output of the following code?

        int i = 1;
        int sum = 0;
        while (i <= 11)
        {
           sum = sum + i;
           i++;
        }

     System.out.println("The value of sum is " + sum);
     System.out.println("The loop will continue  " + i + “ times.”);
Answer:
            
    
(iii)    How many times does the following Java code display "Java Program" output?

        for (int i = 0; i < 10; i++);
        {
           System.out.println(" Java Program ");
 }
        
        Answer:
        
(iv)    In the following code, How many times the output “My Name” will be print?

        int p;
        int q;
        for (p = 0; p <= 9; p++)
        {
           for (q = p; q < 5; q++)
           {
              System.out.println("My Name");
              if (q == 2)
              {
                 q = 6;
              }
           }
}
        Answer:
            
Question Two
Write a program in Java using “Nested For” Loop to print Diamond star pattern.
      *
    *  *
  *  *  *
                *   *   *  *   
                             *   *   *   *   *    
 
Provide  a screenshot of your work.

Question Three
Write a short notes on Following topics. (each question will have 1 mark)

a.    What is an Array?
b.    How do declare array in various format?

c.    Define Array List.

d.    Give an example for add and remove array element.

Question Four
Write a Java Program to display following output using Array List.

Before 2015 Saudi Electronic University Branch: 0
After 2015: 7
Number of Branch: [Dammam, Tabuk, Jeddah, Madinah, Al Qassim, Abha, Al Jouf]
Number of Branch after deletions: 5
Total of Branch: [Dammam, Tabuk, Madinah, Al Qassim, Al Jouf]

Provide  a screenshot of your work.