Want to learn how to code? Master the foundations of Java, an in-demand programming language. Get hands-on with immersive exercises, interactive quizzes, and earn certifications to build in-demand skills.

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Java

Java is a high-level, object-oriented language known for its portability and reliability. Mastering Java is key for developers to build scalable, secure software efficiently.

In this course, you will start by mastering the art of problem-solving with simple Java programs, such as the Bottle Filling example. You will learn how to structure your solutions, create execution sheets, and enhance your problem-solving abilities through practical exercises and quizzes. Progressing further, you will learn decision-making and branching in Java, understanding flowcharts, conditional expressions, and their application. You will also learn about Java basics, including the first Java program, fundamentals, conditional statements, and error categories, followed by in-depth lessons on working with Java strings and arrays. 

By the end of this course, you will have a solid understanding of Java programming fundamentals and the ability to solve real-world problems using Java.

Learn to Code: Java for Absolute Beginners

Measuring the stones in pairs, 1 on each side of the balance. Maximum 4 cycles.

Measuring by putting 2 stones on each side of the balance. Maximum 3 cycles.

Measuring by putting 3 stones on each side of the balance. Maximum 2 cycles.


Measuring by putting 4 stones on each side of the balance. Maximum 3 cycles.


Let’s start with a real-world problem: 
 
<img src="/api/collection/10370001/6396621412892672/page/6056014530215936/image/6076891074396160?page_type=collection_lesson" 
 width="300" />


* We have 9 stones that are visually identical, but 1 of them is slightly heavier.
* We have a beam balance to weigh and analyze the stones.

What is the most efficient way to definitively locate the heavier stone?

>**Note:** A cycle refers to a round of events or actions that repeat.

Let’s start with a real-world problem:
<img src="/api/collection/10370001/6396621412892672/page/6056014530215936/image/6076891074396160?page_type=collection_lesson" 
 width="300" />
<ul>
<li>We have 9 stones that are visually identical, but 1 of them is slightly heavier.</li>
<li>We have a beam balance to weigh and analyze the stones.</li>
</ul>
What is the most efficient way to definitively locate the heavier stone?
<blockquote>
Note: A cycle refers to a round of events or actions that repeat.
</blockquote>

What is the correct order of the four stages of the problem-solving process?


What is the correct order of the four stages of the problem-solving process?

Let’s say we have the annual salary input by the user in the `aSalary` variable. Which of the following is the correct statement to store the monthly salary into the `mSalary` variable?

Let’s say we have the annual salary input by the user in the <code>aSalary</code> variable. Which of the following is the correct statement to store the monthly salary into the <code>mSalary</code> variable?

Write a program. 

Execute that program. 

Test the result. 

Understand the problem.

Write a program. 

Understand the problem. 

Execute that program. 

Test the result.


Write a program. 

Execute that program. 

Understand the problem. 

Test the result.


Understand the problem. 

Write a program. 

Execute that program. 

Test the result.


What is the best analogy of the four stages of the problem-solving process?


What is the best analogy of the four stages of the problem-solving process?

Let’s say we have a Fahrenheit temperature value input by the user in the `tempF` variable. Which of the following is the correct statement to store the Celsius temperature in the `tempC` variable?

The formula for conversion from Celsius to Fahrenheit is 
 `tempF = tempC * 9 / 5 + 32`


Let’s say we have a Fahrenheit temperature value input by the user in the <code>tempF</code> variable. Which of the following is the correct statement to store the Celsius temperature in the <code>tempC</code> variable?
The formula for conversion from Celsius to Fahrenheit is
<code>tempF = tempC * 9 / 5 + 32</code>

Test your knowledge of problem solving with simple programs.

About the Course

Problem Solving with Simple Programs

Decisions and Branching

Java Basics

Repetition with Loops

Strings and Arrays

Methods

Appendix - Complex Programs

Wrap Up

Quiz on Problem Solving with Simple Programs