Learn Java

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1.Talk to the Machine

Say “Hello, World!”Quiz: “Hello, World!”Challenge: Print More Messages!Solution: Print More Messages!Do Some Math Quiz: Do Some Math Challenge: Arithmetic Operations Solution: Arithmetic Operations Remember Things Quiz: Remember Things Challenge: Store Personal Info in Java Solution: Store Personal Info in Java Work with the Text Quiz: Work with the Text Challenge: Personalize Your Java Output Solution: Personalize Your Java Output Ask the User Quiz: Ask the User Challenge: Get to Know the User Solution: Get to Know the User

2.Teach It to Think

Make Decisions Quiz: Make Decisions Challenge: Ask Favorite Number Solution: Ask Favorite Number Try and Fix Things Quiz: Try and Fix Things Challenge: Try-Catch Solution: Try-Catch Repeat Yourself Quiz: Repeat Yourself Challenge: Loop It, Then Launch It!Solution: Loop It, Then Launch It!Pick a Path Quiz: Pick a Path Project: Build a Quiz Challenge: Build a Quiz Solution: Build a Quiz

3.Give It Structure

Write Methods Quiz: Write Methods Challenge: Create a Method Solution: Create a Method Pass the Data to Methods Quiz: Pass Data to Methods Project: Return a Custom Greeting Solution: Return a Custom Greeting Bundle Variables Together Quiz: Bundle Variables Together Project: Build a Book Class Solution: Build a Book Class Create Objects Quiz: Create Objects Project: Add a Method to Your Class Solution: Add a Method to Your Class Project: Power Up the Player Profile

4.Make It Real

Create a Menu App Challenge: Level Up the Java Menu App Solution: Level Up the Java Menu App Track with Arrays and Loops Quiz: Track with Arrays and Loops Challenge: Loop Through and Analyze an Array Solution: Loop Through and Analyze an Array Challenge: Simulate with Objects Solution: Simulate with Objects Project: Interactive Adventure Story Project: Number Guessing Game Project: Personal Habit Tracker Final Project—Build a Dice Battle Game Solution: Build a Dice Battle Game

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Solution: Level Up the Java Menu App

Solution: Level Up the Java Menu App

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This Java program is a menu-based console application that lets users choose different actions interactively. It uses the Scanner class for user input and the Random class for generating random numbers.

When the program runs, it repeatedly shows a main menu with five options: ...