Скачать или смотреть Understanding the Flow of a Simple Java Code Snippet

Learn how to understand the flow of a Java program with a clear example of a for-loop and its usage of the `continue` statement.
---
This video is based on the question https://stackoverflow.com/q/73111353/ asked by the user 'Jaydeep' ( https://stackoverflow.com/u/18662733/ ) and on the answer https://stackoverflow.com/a/73111438/ provided by the user 'Crooser' ( https://stackoverflow.com/u/14953299/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Trying this java code snippet , i am not able to fully understand the flow of the programme , new to java

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
Understanding the Flow of a Simple Java Code Snippet

If you're new to programming in Java, you might find yourself puzzled over the basic structure and flow of a program, especially when it involves loops and control statements. In this guide, we'll break down a simple Java code snippet and explain how it works in an easy-to-understand way.

The Code Snippet

Here's the code snippet we're going to analyze:

[[See Video to Reveal this Text or Code Snippet]]

At first glance, it may seem a bit intimidating, but let's dig into it piece by piece.

Breaking Down the Code

Step 1: The For-Loop

The core of this code snippet is the for-loop:

[[See Video to Reveal this Text or Code Snippet]]

Here's how it works:

Initialization: i starts at 1.

Continuation Condition: The loop continues as long as i is less than 6.

Increment: After each iteration of the loop, i is increased by 1.

In essence, this loop runs five times with i taking values from 1 to 5.

Step 2: The Conditional Statement

Within the loop, there's an if-statement:

[[See Video to Reveal this Text or Code Snippet]]

This checks if the current value of i is greater than 3. If it is, the loop executes the continue statement. So what does continue do?

What Does Continue Do?

When continue is executed, the rest of the loop body (in this case, System.out.print(i);) is skipped for that iteration.

The loop then moves to the next iteration (i.e., i is incremented again) without executing any further code in the body.

Step 3: Printing the Value of i

If the current value of i is 3 or below, the program will execute the print statement:

[[See Video to Reveal this Text or Code Snippet]]

This line simply outputs the current value of i to the console.

Final Output

As we follow through the iterations of the loop:

When i = 1: The value is printed (outputs 1).

When i = 2: The value is printed (outputs 2).

When i = 3: The value is printed (outputs 3).

When i = 4: The condition i > 3 is true, so we skip printing.

When i = 5: Again, we skip printing because i is greater than 3.

In conclusion, the output of the program is 123.

Additional Notes on Code Formatting

Additionally, it's worth noting that proper code formatting can enhance readability. Here's a better-formatted version of our code for easier understanding:

[[See Video to Reveal this Text or Code Snippet]]

When you write your Java code, make sure to follow common formatting practices to help others (and your future self) understand it more easily.

Conclusion

Understanding the flow of a simple Java program, like the for-loop we explored today, can greatly enhance your coding skills. By breaking down the components of the code and explaining them clearly, it's easier to see how they fit together to produce the final result. Remember, programs are just a series of instructions, and with practice, they will start to make sense!

Keep experimenting and happy coding!