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Essential IntelliJ IDEA Java Shortcuts for Developers

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Chapter 1: Introduction

In my previous article discussing my top five IntelliJ plugins, I received an overwhelming response. Now, let's delve into another aspect of IntelliJ IDEA that has become essential for Java developers: the keyboard shortcuts that can significantly enhance your programming speed and efficiency.

Section 1.1: Generating the Main Method

One of the most recognized shortcuts is the ability to quickly generate the main() method. By using the psvm command, you can effortlessly create your main() method.

Shortcut for generating main method in IntelliJ

Section 1.2: Simplifying Print Statements

Instead of typing out System.out.println, the sout command allows you to print messages with ease.

Shortcut for printing in IntelliJ

Section 1.3: Assigning New Object Parameters

Less known but equally useful is the .var shortcut for swiftly assigning values to new objects.

Shortcut for assigning parameters in IntelliJ

Section 1.4: Creating For Loops

The .for shortcut enables you to quickly set up a for loop, streamlining your coding process.

Shortcut for creating for loops in IntelliJ

Section 1.5: Conditional Statements Made Easy

For common boolean and string conditions, there are several shortcuts you can utilize:

  • boolean.ifif(boolean)
  • boolean.elseif(!boolean)
  • string.nullif(string==null)
  • string.nnif(string!=null)
  • string.switchswitch(string)
Shortcut for conditional statements in IntelliJ

Section 1.6: Quick Try-Catch Blocks

The .try command simplifies the creation of try-catch blocks.

Shortcut for try-catch in IntelliJ

Section 1.7: Type Casting Made Simple

For type casting, the .castvar shortcut eliminates the need to manually type class names and values.

Shortcut for type casting in IntelliJ

Section 1.8: Elevating Local Variables

Use the .field command to easily promote local variables to the global scope.

Shortcut for changing variable scope in IntelliJ

Section 1.9: Defining Optional Types

Quickly define Optional types using the .opt shortcut.

Shortcut for defining Optional in IntelliJ

Section 1.10: Generating Lambda Expressions

Lastly, the .lambda shortcut allows for quick generation of lambda statements.

Shortcut for lambda expressions in IntelliJ

I hope you find these shortcuts beneficial in your coding journey. As a backend software engineer, I encourage those eager to learn more about technology to follow my channel for insights from my daily experiences.

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Chapter 2: Video Tutorials on IntelliJ Shortcuts

To further enhance your understanding of these shortcuts, check out these informative videos:

The first video titled "IntelliJ Coding Shortcuts You Need to Know" provides a comprehensive overview of essential shortcuts.

The second video, "Top 15 IntelliJ IDEA Shortcuts," showcases a collection of shortcuts that can optimize your development process.

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