Write a complete program to find the sum of the following series: 2, 4, 6 ..., 4

Question

Write a complete program to find the sum of the following series: 2, 4, 6 ..., 40 Using for loop Using do-while loop Write a class called Lab1 which contains Main method Inside main method write two program segments: one is for loop and the other is do-while loop. Compile and run your program. To receive full credit - your program should compile and run with no errors. Upload the Lab1.java file to blackboard. Write the following comments at the beginning of your program: Programmer: Your name Lab-1: Finding sum using repetition control structure Date: Today's date

Explanation / Answer

a)

SumOfNosUsingFor.java

//Name: Provide Your name Here

//Finding the sum of the series using for loop

//Date : January 27,2017

public class SumOfNosUsingFor {

   public static void main(String[] args) {
      
       int sum=0;
  
       //Sum of the series using for loop
   for(int i=2;i<=40;i+=2)
       sum+=i;
  
   //Displaying the sum of the series
   System.out.println("The Sum of the Series is "+sum);
  
  
  
  

   }

}

_____________________

output:

The Sum of the Series is 420

____________________

b)

SumOfNosUsingDoWhile.java

//Name: Provide Your name Here

//Finding the sum of the series using do while loop

//Date : January 27,2017

public class SumOfNosUsingDoWhile {

   public static void main(String[] args) {
      
       int i=2,sum=0;
     
       //Sum of the series using do while loop
do
{
   sum+=i;
   i+=2;
}while(i<=40);
  
   //Displaying the sum of the series
   System.out.println("The Sum of the Series is "+sum);

   }

}

_______________________

Output:

The Sum of the Series is 420

_______Thank You

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