Objektorienteeritud programmeerimine (Narva Kolledž) 2019/20 kevad

Chapter 1

Tasks for the first chapter

• Read the course description. Pay attention to the:
  • course objectives
  • rules and requirements
  • grading system
• Study the materials of Chapter 1 (all parts).
• Install JDK 13 and IntelliJ on your computer.

Task 1

Rewrite the following Python program into Java:

print('Hello, World!')

Task 2

Rewrite the following Python program into Java:

fahr = float(input('Enter the temperature in F: '))
cel = round((fahr - 32) * 5/9, 2)
print('The temperature in C is:', cel)

Task 3

• Create variables for integers: a, b, c, d, f, e.
• Assign variable a value 2147483647. Assign the rest of the variables any integers.
• Sum, subtract, multiply, divide variables and find the reminder.
• What is the result if variable a is added value 1? Explain the answer in the program comment.
• What is the result of the statement System.out.println(1-0.9);? Explain the answer in the program comment.

 System.out.println("Sum of numbers " + b + " and " + c + " is " + (b + c));

Task 4

Create a program which asks the user for his/her name and greets the user by the name.

Make sure your programs are correct and clean, and submit them in Moodle.

Chapter 1