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Maaike van Putten

Logging is crucial for understanding what is happening to your app in production. This course will teach you how to use the Java Log System for logging and give you some back practices for logging in your application as well.

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Logging is crucial for understanding what is happening to your app in production. This course will teach you how to use the Java Log System for logging and give you some back practices for logging in your application as well.

Applications can sometimes behave unexpectedly, finding out what is going on can be really difficult. This can be solved by logging well. In this course, Java Core Libraries: Java Log System, you’ll learn to log in your Java application. First, you’ll explore the need for logging in applications and when you should be logging. Next, you’ll discover how to write log messages using je Java Log System. Finally, you’ll learn how to configure the logging and set up handlers and log formatters. When you’re finished with this course, you’ll have the skills and knowledge of the Java Log System needed to apply logging well in your own applications.

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What's inside

Syllabus

Course Overview
Logging: What, When, and Why?
Creating Log Messages
Configuring and Formatting Logging
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Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Examines key practices for logging in Java apps
Taught by Maaike van Putten
Explores the Java Log System, which is a Java-specific tool

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Java 11 Core Libraries: Java Log System with these activities:
Compile resource kit
Gather and synthesize relevant materials to support understanding and for future reference.
Show steps
  • Collect articles, tutorials, and reference materials.
  • Organize materials into categories based on the course modules.
  • Create a digital or physical resource kit for easy access during the course.
Review logging basics
Reinforce your understanding of logging concepts before starting the course.
Browse courses on Logging
Show steps
  • Read documentation on the Java Log System.
  • Review examples of logging in Java code.
Review the Java Programming Language
Review the Java programming language syntax and fundamental concepts to ensure a solid understanding before starting the course.
Browse courses on Java Programming
Show steps
  • Review core Java syntax, including variables, data types, operators, and control flow.
  • Practice writing simple Java programs to solidify your understanding.
24 other activities
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Solve Java logging exercises
Reinforce concepts through repetitive exercises and problem-solving.
Show steps
  • Find online exercises or create your own practice problems.
  • Solve the exercises using the Java Log System, focusing on accuracy and efficiency.
  • Review and analyze solutions to learn from mistakes and strengthen understanding.
Follow a tutorial on logging in Java
Expand your knowledge of logging by following a tutorial dedicated to logging in Java.
Browse courses on Logging
Show steps
  • Find a tutorial on logging in Java.
  • Follow the tutorial and complete the exercises.
Follow tutorials on logging in Java
Deepen your understanding of logging by following step-by-step tutorials.
Browse courses on Logging
Show steps
  • Find tutorials on creating log messages in Java.
  • Work through tutorials on configuring and formatting logging.
Explore Java Log System tutorials
Deepen understanding by following external tutorials that complement the course material.
Show steps
  • Identify reliable online tutorials and documentation for the Java Log System.
  • Follow the tutorials step-by-step and replicate the examples.
  • Apply the techniques learned in the tutorials to personal projects or assignments.
Practice logging messages
Reinforce the course materials by practicing writing log messages using the Java Log System.
Browse courses on Logging
Show steps
  • Create a Java application.
  • Write log messages using the Java Log System.
  • Run your application and check the logs.
Practice writing log messages
Enhance understanding of logging by practicing writing log messages in different contexts and at various log levels, reinforcing the application of concepts.
Show steps
  • Create a Java application and write log messages at different log levels.
  • Use a logging framework like Log4j or Logback to configure and refine log messages.
Practice Coding Loggers
Engage in coding exercises to reinforce your understanding of how to write and configure log messages in Java.
Browse courses on Logging
Show steps
  • Create a Java project and write code to generate log messages at different levels.
  • Configure the logging framework to handle and format the log messages.
Discuss logging best practices with peers
Exchange ideas and learn from others by discussing logging practices.
Browse courses on Logging
Show steps
  • Join or create a study group.
  • Share your experiences and ask questions about logging.
Participate in discussion forums
Enhance understanding by engaging in discussions and sharing insights with peers.
Show steps
  • Join the course discussion forums.
  • Actively participate in discussions by sharing knowledge, asking questions, and providing feedback.
  • Analyze different perspectives and learn from the experiences of others.
Participate in a study group
Enhance understanding through collaboration by joining a study group, discussing logging concepts, sharing experiences, and collectively working on exercises.
Show steps
  • Join or form a study group with fellow students taking the course.
  • Meet regularly to discuss course materials, practice logging techniques, and share insights.
Write log messages in code snippets
Solidify your skills by practicing writing log messages in different scenarios.
Browse courses on Logging
Show steps
  • Create code snippets with various logging statements.
  • Run the code snippets and observe the generated log messages.
Participate in a Logging Study Group
Join a study group with other students to discuss logging concepts, share code snippets, and troubleshoot issues.
Browse courses on Logging
Show steps
  • Join an online or in-person study group focused on Java logging.
  • Participate in discussions, ask questions, and contribute your knowledge.
Create a cheat sheet on logging in Java
Consolidate your understanding by creating a cheat sheet that summarizes key concepts and techniques for logging in Java.
Browse courses on Logging
Show steps
  • Review the cheat sheet regularly.
  • Gather information on logging in Java.
  • Organize the information into a cheat sheet.
Write a blog post or article on Java logging
Solidify understanding by creating a blog post or article on Java logging, requiring a comprehensive analysis of concepts and clear articulation of ideas.
Show steps
  • Choose a specific aspect of Java logging to focus on.
  • Research and gather information from reliable sources.
  • Write a well-structured and informative blog post or article.
Explore Advanced Logging Techniques
Seek out tutorials and resources to expand your knowledge of advanced logging techniques, such as custom loggers and logback configuration.
Browse courses on Logging
Show steps
  • Identify online tutorials or documentation that cover advanced logging techniques.
  • Follow the tutorials and implement the techniques in your own Java applications.
Implement logging in a small Java project
Apply your logging knowledge by implementing it in a practical project.
Browse courses on Logging
Show steps
  • Create a new Java project.
  • Design and implement logging functionality.
  • Test the logging functionality in different scenarios.
Build a custom logging tool
Solidify skills by designing and implementing a practical application.
Show steps
  • Research and gather requirements for a customized logging tool.
  • Design and implement the logging functionality using the Java Log System.
  • Test and refine the tool to ensure accurate and efficient logging.
  • Document the tool's features and使用方法.
Contribute to an open-source logging library
Gain practical experience and contribute to the community by contributing to an open-source logging library in Java.
Browse courses on Logging
Show steps
  • Find an open-source logging library in Java.
  • Identify an area where you can contribute.
  • Make a pull request with your contribution.
  • Review the feedback and make necessary changes.
Explore advanced logging techniques
Deepen knowledge of Java logging by exploring advanced techniques, such as custom log formats, log aggregation, and performance optimizations.
Show steps
  • Follow online tutorials or read documentation on advanced logging techniques in Java.
  • Implement custom log formats to enhance the readability and usefulness of log messages.
  • Experiment with log aggregation tools to centralize and analyze log data.
Volunteer at a local tech organization
Gain practical experience and make connections by volunteering at a local tech organization.
Show steps
  • Find a local tech organization that aligns with your interests.
  • Contact the organization and inquire about volunteer opportunities.
  • Attend volunteer events and contribute your skills.
  • Network with other professionals and learn from their experiences.
Contribute to a logging-related open-source project
Gain practical experience and expand your knowledge by contributing to open-source logging projects.
Browse courses on Logging
Show steps
  • Find a logging-related open-source project on platforms like GitHub.
  • Identify areas where you can contribute.
  • Submit pull requests with your contributions.
Build a personal logging system
Apply your knowledge of logging by building a personal logging system that meets your specific requirements.
Browse courses on Logging
Show steps
  • Define the requirements for your logging system.
  • Design the architecture of your logging system.
  • Implement your logging system using the Java Log System.
  • Test and debug your logging system.
  • Deploy and maintain your logging system.
Develop a logging module for a small project
Apply logging principles and techniques by developing a logging module for a small project, demonstrating practical implementation and problem-solving skills.
Show steps
  • Identify the logging requirements for the project.
  • Design and implement a custom logging module using Java's logging API or a logging framework.
  • Test and refine the logging module to ensure effective and reliable logging.
Mentor junior developers on logging
Reinforce understanding by mentoring junior developers on logging, providing guidance, answering questions, and sharing best practices.
Show steps
  • Identify junior developers who need support with Java logging.
  • Provide regular guidance and mentorship on logging concepts and techniques.

Career center

Learners who complete Java 11 Core Libraries: Java Log System will develop knowledge and skills that may be useful to these careers:
Software Developer
Loggers are essential for debugging problems in software. As a Software Developer, having knowledge in using the Java Log System to efficiently debug production issues can be valuable. This course provides a strong foundation in logging, which may be helpful in becoming a more effective Software Developer.
Systems Analyst
A Systems Analyst's job is to understand the needs of a business and design and implement software solutions. Logging is a critical part of analyzing and understanding how a software system is working, and logging errors is necessary to identify and fix problems. This course covers the Java Log System in detail, which may be helpful in building skills and knowledge to become a better Systems Analyst.
IT Specialist
IT Specialists support and maintain computer systems, including software and hardware. Logging is an important aspect of troubleshooting and maintaining software systems, and the Java Log System is a commonly used tool for logging. This course may be helpful for IT Specialists who want to improve their logging skills and knowledge.
Software Engineer
A Software Engineer is someone who designs, develops, and maintains software systems. Logging is an important part of software development, as it can help identify errors and other problems. This course covers the Java Log System in detail, which may be helpful for Software Engineers who want to improve their logging skills and knowledge.
Quality Assurance Analyst
Quality Assurance Analysts test software to ensure that it meets requirements and is free of defects. Logging is an important part of testing software, as it can help identify errors and other problems. This course covers the Java Log System in detail, which may be helpful for Quality Assurance Analysts who want to improve their logging skills and knowledge.
Network Administrator
Network Administrators manage and maintain computer networks. Logging is an important part of network administration, as it can help identify and troubleshoot problems. This course covers the Java Log System in detail, which may be helpful for Network Administrators who want to improve their logging skills and knowledge.
Data Analyst
Data Analysts collect, analyze, and interpret data to help businesses make better decisions. Logging can be an important part of data analysis, as it can help track data and identify trends. This course covers the Java Log System in detail, which may be helpful for Data Analysts who want to improve their logging skills and knowledge.
Database Administrator
Database Administrators manage and maintain databases. Logging is an important part of database administration, as it can help identify and troubleshoot problems. This course covers the Java Log System in detail, which may be helpful for Database Administrators who want to improve their logging skills and knowledge.
Business Analyst
Business Analysts analyze business needs and design and implement software solutions. Logging can be an important part of business analysis, as it can help track data and identify trends. This course covers the Java Log System in detail, which may be helpful for Business Analysts who want to improve their logging skills and knowledge.
Web Developer
Web Developers design and develop websites and web applications. Logging can be an important part of web development, as it can help identify and troubleshoot problems. This course covers the Java Log System in detail, which may be helpful for Web Developers who want to improve their logging skills and knowledge.
Computer Support Specialist
Computer Support Specialists provide technical support to computer users. Logging can be an important part of computer support, as it can help identify and troubleshoot problems. This course covers the Java Log System in detail, which may be helpful for Computer Support Specialists who want to improve their logging skills and knowledge.
Information Security Analyst
Information Security Analysts protect computer systems and networks from unauthorized access and attacks. Logging is an important part of information security, as it can help identify and troubleshoot security breaches. This course covers the Java Log System in detail, which may be helpful for Information Security Analysts who want to improve their logging skills and knowledge.
Project Manager
Project Managers plan and manage software development projects. Logging can be an important part of project management, as it can help track progress and identify problems. This course covers the Java Log System in detail, which may be helpful for Project Managers who want to improve their logging skills and knowledge.
Systems Administrator
Systems Administrators manage and maintain computer systems, including software and hardware. Logging is an important part of systems administration, as it can help identify and troubleshoot problems. This course covers the Java Log System in detail, which may be helpful for Systems Administrators who want to improve their logging skills and knowledge.
Technical Writer
Technical Writers create technical documentation for software and other products. Logging can be an important part of technical writing, as it can help document how a system works and how to troubleshoot problems. This course covers the Java Log System in detail, which may be helpful for Technical Writers who want to improve their logging skills and knowledge.

Reading list

We've selected ten books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Java 11 Core Libraries: Java Log System.
Provides a comprehensive guide to logging in Java, covering API and configuration details of various logging frameworks. While it doesn't specifically focus on the Java Log System, the knowledge and techniques discussed are widely applicable.
This comprehensive reference book covers a wide range of Java topics, including logging. It serves as a valuable resource for understanding the Java Log System and its various features.
Delves into the complexities of concurrency in Java. Although it doesn't directly address logging, it provides essential knowledge for understanding how logging interacts with concurrent systems.
This classic book covers best practices for writing robust and efficient Java code. Although it doesn't delve deeply into logging, it provides valuable insights into Java development principles that apply to logging as well.
This beginner-friendly book provides a comprehensive overview of Java fundamentals. While it doesn't cover logging in detail, it establishes a solid foundation for understanding the concepts discussed in the course.
This introductory book provides a solid foundation for Java programming. It covers basic concepts and doesn't delve into advanced topics like logging, but it establishes a strong foundation for understanding the course material.
This beginner-friendly book offers a comprehensive overview of Java. It doesn't cover logging in detail, but it provides a solid foundation for understanding the concepts discussed in the course.
This beginner-friendly book provides a gentle introduction to Java. It doesn't cover logging, but it helps establish a basic understanding of Java syntax and concepts, which is beneficial for the course.
This accessible book provides a beginner-friendly introduction to Java. It doesn't cover logging, but it lays a solid foundation for understanding the concepts discussed in the course.

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