Assignment 2-A

Control Flow Exercises

Practice control flow statements and operators through hands-on programming exercises. Master conditionals, loops, and logical operators with real-world problems.

3-4 hours
Beginner
75 Points
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What You'll Practice
  • Use arithmetic and comparison operators
  • Write conditional statements (if/else/switch)
  • Implement for, while, do-while loops
  • Apply logical operators effectively
  • Handle nested control structures
Contents
01

Assignment Overview

This assignment focuses on mastering control flow in Java. You'll solve various problems using conditionals and loops, demonstrating your ability to control program execution effectively.

Skills Applied: Operators (2.1), Conditional Statements (2.2), and Loops (2.3) from Module 2.
Operators

Arithmetic, comparison, and logical operators

Conditionals

if/else, switch statements, ternary operator

Loops

for, while, do-while, enhanced for loop

02

Requirements

Part 1: Calculator Program (20 points)

  • Create a calculator that performs basic operations (+, -, *, /, %)
  • Use switch statement for operation selection
  • Handle division by zero gracefully
  • Loop until user chooses to exit

Part 2: Number Guessing Game (25 points)

  • Generate a random number between 1 and 100
  • Allow user to guess with hints (higher/lower)
  • Track number of attempts
  • Offer option to play again

Part 3: Pattern Printing (15 points)

  • Print a pyramid pattern of numbers
  • Print a diamond pattern using asterisks
  • Use nested loops for pattern generation

Part 4: Grade Calculator (15 points)

  • Accept multiple student scores
  • Calculate average and assign letter grades
  • Display statistics (highest, lowest, average)
03

Submission Guidelines

Folder Structure: Submit all files in a folder named assignment2_yourname
Required Files:
  1. Calculator.java
  2. GuessingGame.java
  3. PatternPrinter.java
  4. GradeCalculator.java
  5. README.txt
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04

Grading Rubric

Criteria Points Description
Calculator Program 20 All operations work correctly with proper error handling
Guessing Game 25 Random generation, hints, attempt tracking, replay option
Pattern Printing 15 Correct patterns using nested loops
Grade Calculator 15 Accurate calculations and grade assignments
Total 75
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