Here are a few free online resources to learn Java, Python, and C++, each with full URLs: Java • Codecademy [https://www.codecademy.com/learn/learn-java] • freeCodeCamp [https://www.freecodecamp.org/news/tag/java/] • Sololearn [https://www.sololearn.com/learn/languages/java] • JavatPoint [https://www.javatpoint.com/java-tutorial] • GeeksForGeeks [https://www.geeksforgeeks.org/java/] Python • Codecademy [https://www.codecademy.com/catalog/language/python] • freeCodeCamp [https://www.freecodecamp.org/news/tag/python/] • Coursera [https://www.coursera.org/learn/python-for-applied-data-science-ai] • Python courses: online, onsite and offsite [https://python-course.eu/] • Think Python 2E [https://greenteapress.com/wp/think-python-2e/] C++ • Codecademy [https://www.codecademy.com/learn/learn-c-plus-plus] • freeCodeCamp [https://www.freecodecamp.org/news/tag/c-2/] • edX [https://www.edx.org/learn/c-plus-plus/microsoft-introduction-to-c] • C++ Tutorial [CPlusPlus.com] • LearnCpp [https://www.learncpp.com/]