Java

Java notes and book summaries. Use these for language and OOP basics, not as a replacement for DSA (see Foundations and SDE3_DSA_ROADMAP).

Contents

File	Description
book.md	Notes from an introductory Java book: computers, programs, Java basics, hardware, software, OOP. Long-form chapter summaries.
head-first-java.md	Notes from Head First Java: program structure, statements, running code, JVM. Long-form chapter summaries.

When to use

• Refreshing Java syntax and structure before interviews.

• Comparing with Python (see foundations/java-vs-python.md).