Intro to java
- 1. Intro to
- 2. History
- 3. History Developed by James Gosling & team at Sun Microsystems
- 4. History Developed by James Gosling & team at Sun Microsystems First version released 1995
- 5. History Developed by James Gosling & team at Sun Microsystems First version released 1995 Built upon syntax of C and C++
- 6. History Developed by James Gosling & team at Sun Microsystems First version released 1995 Built upon syntax of C and C++ Designed to emphasize object- oriented programming while simplifying low-level processes
- 7. History Developed by James Gosling & team at Sun Microsystems First version released 1995 Built upon syntax of C and C++ Designed to emphasize object- oriented programming while simplifying low-level processes
- 10. Java Sightings Desktop apps Web apps (applets & backends)
- 11. Java Sightings Desktop apps Web apps (applets & backends) Mobile apps
- 12. Java Sightings Desktop apps Web apps (applets & backends) Mobile apps
- 13. Java Sightings Desktop apps Web apps (applets & backends) Mobile apps
- 14. Java Sightings Desktop apps Web apps (applets & backends) Mobile apps
- 15. Pros & Cons
- 16. Pros & Cons ✦ Portability
- 17. Pros & Cons ✦ Portability ✦ Multithreading
- 18. Pros & Cons ✦ Portability ✦ Multithreading ✦ Small footprint (~40KB JAR file)
- 19. Pros & Cons ✦ Portability ✦ Multithreading ✦ Small footprint (~40KB JAR file) ✦ Automatic garbage collection
- 20. Pros & Cons ✦ Portability ✦ Language limitations ✦ Multithreading ✦ Small footprint (~40KB JAR file) ✦ Automatic garbage collection
- 21. Pros & Cons ✦ Portability ✦ Language limitations ✦ Multithreading ✦ Slower execution ✦ Small footprint (~40KB JAR file) ✦ Automatic garbage collection
- 22. Pros & Cons ✦ Portability ✦ Language limitations ✦ Multithreading ✦ Slower execution ✦ Small footprint ✦ Uses more memory (~40KB JAR file) ✦ Automatic garbage collection
- 23. Development
- 24. Development
- 25. Development
- 26. Development
- 27. Development
- 28. Development
- 29. Development Write source code
- 30. Development Write source Compile to bytecode & code execute with JVM
- 31. Development Write source Compile to bytecode & Debug? code execute with JVM
- 32. Starter Terms
- 33. Starter Terms source code The code that you type bytecode The code created by the Java compiler and executed by the Java Virtual Machine. variable Named memory location needed to store information for later use method Named sequence of code (synonymous with function) return type/value When a method returns a value, the type refers to the type of information returned (e.g. int, String, etc.), and the value refers to the actual piece of information returned (e.g. -13, “Ramey”, etc.) call statement Code required to execute a method