← Java Programming learning path
Java Programming · Module 10 of 10

Java in the real world

Build real apps with Java: tools, frameworks and where Java is used.

📖 Key ideas

  1. Build tools Maven and Gradle manage dependencies and builds.
  2. Spring Boot builds web APIs and enterprise apps.
  3. Android apps were traditionally written in Java (now often Kotlin).
  4. JDBC and JPA/Hibernate connect to databases.
  5. JUnit writes automated tests.
💡 Real-life example: Java is like steel in buildings: not flashy, but banks, governments and big companies build on it.
MavenBuild and dependency tool
Spring BootFramework for web apps and APIs
JDBCJava database connectivity
JUnitUnit testing framework