Question

/* Lab 7, Part E: Created by Celine Latulipe public class Lab7Parte { public static void main(String [] args) // TODO: put your code here to generate a random number between 0 and 20 // and then print out that many asterisks on a single line. { بہا }

Help with program

Answer 1

Program 1:

import java.lang.Math;

public class Lab7PartE{
   public static void main(String[] args) {
       int rand_num=(int)(Math.random()*21);   //generating the random number in the range 0-20
       for(int i=1;i<=rand_num;i++){   //running the loop rand_num times
           System.out.print("*");   //printing the asterisk
       }
       System.out.println();   //printing newline after asterisks

       if(rand_num%2==0){   //test for even
           System.out.println(rand_num+" asterisks, which is an even number.");
       }
       else{   //test for odd
           System.out.println(rand_num+" asterisks, which is an odd number.");
       }
   }
}

Program 2:

public class Lab7PartF{
   public static void main(String[] args) {
       int ascii=97;   //the ascii value of a
       char letter;   //tostore the character at ascii value
       for(;ascii<=122;ascii++){   //running the loop uptill ascii value of z

           letter=(char)ascii;   //type-casting int to char type

           if(letter=='a'||letter=='e'||letter=='i'||letter=='o'||letter=='u'){   //checking if letter is a vowel
               //subtracting 32 from letter and casting to character to get the Uppercase letter
               System.out.print((char)(letter-32));  
           }
           else{   //if not vowel then print letter unchanged
               System.out.print(letter);
           }
       }
       System.out.println();   //printing newline after asterisks

   }
}

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