CBSE Class 11 Informatics Practices Java Programming Looping Structures Worksheet

Topic : JAVA PROGRAMMING – Looping Structures& Switch Statement

Lab Work Sheet :

Create a Java application using NetBeans the following form

Write Java code for the following questions, so that on clicking Q1 button,question 1 code has to be executed and output has to be displayed.

Q1. Write Java code to print numbers from 1 to 20 using for loop

Q2. Write Java code to print first n natural numbers and their sum. (for loop)

Q3. Write Java code to print even numbers between 20 and 80. (for loop)

Q4. Write Java code to display factorial of a given integer using for loop.

Q5. Write Java code to display factorial of a given integer using while loop.

Q6. Write Java code to display the sum of the digits of a given integer using while loop.

Q7. Write Java code to display the sum of even and odd integers of the first n natural numbers using while loop.

Q8. Write Java code to display the following series for n terms using do…while loop

11 14.5 18 21.5 …….

Q9. Develop the following GUI application to find day of the week.

Write Java code to accept an integer between 1 to 7 in jTextField1 and display day of the week (Monday for 1, Tuesday for 2 and so on..) in jTextField2 on clicking FIND DAY button using switch statement. If the user enters any other number display ERROR. Also write code for RESET button to clear both the text fields.

Q10. Predict the output of the following code fragment :

int j=1,s=0;
while(j<10){
System.out.print(j+”+”);
s=s+j;
j=j+j%3;
}
System.out.println(“=”+s);

Please click on below link to download CBSE Class 11 Informatics Practices Java Programming Looping Structures Worksheet