Working with JShell

Developed with
Trivera

Lab Steps

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Connecting to the Java Web IDE
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Open the Terminal
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Exercise 1 - Starting and Stopping
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Exercise 2 - Feedback Modes
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Exercise 3 - Snippets
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Exercise 4 - Commands

Ready for the real environment experience?

DifficultyBeginner
Time Limit1h
Students710
Ratings
4.8/5
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Description

This lab introduces you to JShell, an interactive REPL Java utility. You will be required to complete the following guided coding exercises:

  • Exercise 1 - Starting and Stopping: Learn how to start and stop JShell 
  • Exercise 2 - Feedback Modes: Learn how to configure different feedback modes to help with your interaction with JShell
  • Exercise 3 - Snippets: Declare and use Java statements, variables, methods, expressions, and class definitions
  • Exercise 4 - Commands: Learn to use the various JShell commands to control the session

Lab Objectives

Upon completion of this lab, you will be able to:

  • Confidently use the JShell for exploratory Java coding and prototyping

You should:

  • Be comfortable with using a browser-based IDE
  • Be comfortable with using the integrated terminal

Lab Environment

This lab will start with the following AWS resources provisioned automatically for you:

  • A single EC2 instance, named ide.java.platform.instance, which will have a public IP address attached. This instance will host a web-based Java IDE (based on the Visual Code editor).

To achieve the lab end state, you will be walked through the process of:

  • Using your local browser, access the web-based Java IDE served from the ide.java.platform.instance
  • Completing the 4 lab exercises:
    • Exercise 1 - Starting and Stopping
    • Exercise 2 - Feedback Modes
    • Exercise 3 - Snippets
    • Exercise 4 - Commands 

Updates

June 16th, 2018 - Optimized creation of lab resources to reduce the time it takes to access the browser IDE by 60%.

About the Author
Students100342
Labs55
Courses113
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Jeremy is a Content Lead Architect and DevOps SME here at Cloud Academy where he specializes in developing DevOps technical training documentation.

He has a strong background in software engineering, and has been coding with various languages, frameworks, and systems for the past 25+ years. In recent times, Jeremy has been focused on DevOps, Cloud (AWS, GCP, Azure), Security, Kubernetes, and Machine Learning.

Jeremy holds professional certifications for AWS, GCP, Terraform, Kubernetes (CKA, CKAD, CKS).

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