ETH 316 Responsibility Project

SD2720 Module 3 Working with Methods

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 SD2720 Module 3 Working with Methods and Encapsulation Lab 3.1 Creating a Method

 In this lab, you will complete two tasks related to Java methods. The tasks performed in this lab will help you use method overloading and understand ambiguous overloading.

Task 1

Write a program for swapping two numbers. In the program:

 Create a method by passing primitive values as parameters for checking the result.

 Create another method by passing object references as parameters for checking the result.

 Identify the difference between two outputs.

Task 2

Write a Java program that accepts 10 numbers from the user and finds the greatest and smallest numbers among them. Create two methods, findGreatest() and findSmallest(), to find the greatest and smallest numbers, respectively.

 Task 3

Write a Java program that implements the following methods:

 getNumbers()to accept two numbers from the user.

 calculateHCD()to calculate the highest common divisor (HCD) of the two numbers. Please note that it should be a recursive function.

 calculateLCM()to calculate the least common multiple (LCM) of the two numbers.

Display()to display HCD and LCM.

 Submission Requirements:

Compress your Java project folder and responses in a Microsoft Word document into one zipped folder and submit it to the instructor.

Evaluation Criteria:

Your submission will be evaluated against the following criteria using the lab rubric:

Task 1

 Did you create a method by passing primitive values as parameters?

 Did you create a method by passing object reference values as parameters?

 Did you identify the difference between two outputs?

 Is the code readable and documented?

Task 2

 Did you write a Java program that accepts 10 numbers?

 Did you use the findGreatest() and findSmallest() methods to find the greatest and

smallest numbers in your code?

 Is the code readable and documented?

Task 3

 Did you write a Java program that contains getNumbers() method to accept two numbers?

 Did you use the calculateHCD() and calculateLCM() methods to calculate the HCD and LCM of two numbers in your code?

 Did you use recursion in the calculateHCD() method?

 Did you use the display() method to display the HCD and LCM of two numbers in your code?

 Is the code readable and documented?