To effectively learn Java, follow these steps:

1. Choose a Quality Course: Enroll in a reputable online course or bootcamp, such as those offered by Coursera, Udemy, or CETPA Infotech.
2. Practice Regularly: Consistently code and work on projects to reinforce your learning.
3. Study Core Concepts: Focus on Java fundamentals, object-oriented programming, data structures, and algorithms.
4. Use Documentation: Refer to official Java documentation and resources like Oracle’s tutorials.
5. Join Communities: Participate in forums and online communities like Stack Overflow for support and knowledge sharing.
6. Build Projects: Apply your skills by developing real-world applications to enhance your portfolio.

This structured approach will help you master Java efficiently.