- Представете се
- Малко организационно:
- как ще протече курса: Решаваме неща тук, после ви давам за четене/гледане домашно (материали за следващия път)
- в началото ще преговарям/обобщавам нещата, които съм ви дал
- решаваме още задачи
- Java - a little history
- started as 'Oak' in 1991 => дъб
- Created by Sun
- renamed to 'java', due to large ammounts of coffee the team used in development
- released 1996
- Java
- Compile once, run everywhere #1 Development Platform 9 Millions Developers 1 Billion Java Downloads per Year 3 Billion devices run Java 97% of Enterprise Desktops run Java 100% of BLU-RAY Disc Players ship with Java http://www.javacodegeeks.com/2014/03/java-facts-to-blow-your-mind.html Jit Compiler in J2SE (Java 1.2)
- Java, JRE, JVM, JDK
- JSR, JCP
- JSE, J2EE, J2ME
- Sun, Oracle, Google
- Cross-platform, compatibility
- Javac
- classpath
//what IDE does for us C:>javac -sourcepath src -classpath classes;lib\Banners.jar ^ src\farewells\GoodBye.java -d classes //source and target explanations C:>javac -sodurce 1.6 -target 1.6 -bootclasspath C:\jdk1.6.0\lib\rt.jar ^ -extdirs "" OldCode.java
//bootclasspath option
- javap
- the javadoc tool
- jar format
- Common VM Arguments