01 - Introduction to Java - Exercise 2

Task 1 - String variables

1. Create a new project and call it VariablesExercise.

2. Within the main method, declare two String variables - firstName and lastName.

3. Assign values to the variables above.

4. Create another variable called name and assign it a concatenated value of the two previous variables.

5. Print out name.

Task 2 - Numbers

1. Comment out the code from the previous task.

2. Create two integer variables, call them num1 and num2.

3. Assign them a valid literal value.

4. Print out their sum.

5. Create another integer variable - result. Assign it the result of division between num1 and num2. Does it work? Can you fix it?

6. Create another integer variable - num3 and assign it a value 8.

7. Print out the value of num3++.

8. Print out the value of num3.

9. Print out value of ++num3.

10. Is there any difference?

Task 3 - User input

1. Comment out all your code from the previous task.

2. Research how to read user input from the terminal - Read and Write User Input in Java | Baeldung

Hint: Don't forget the import : import java.util.Scanner;

1. Ask the user for their first name and their last name.

2. Print out a greeting using their name.

3. Ask the user for two numbers (you may need to do it one by one)

4. Print out their sum.