Yurttas/PL/OOL/Java/F/02/08/D/00/index page

Dr. Salih Yurttas - yurttas@zcubes.com

programming languages - design principles, implementation constructs

java

---

1. class, package, jar, bean
   1. jar - package - unnamed[default]

javac D00.java

jar cvf D00.jar *.class

java -classpath D00.jar D00

or

jar xvf D00.jar

java D00

1. 1. • D00.java | D00.jar
        [ multiple classes all in their own file in an 'unnamed package' ]
        [ jar without user provided manifest file ]
      • D.java
        [ public class with access modifiers explicitly given ]
      • DD.java
        [ public class with access modifiers explicitly given ]
      • DDD.java
        [ public class with access modifiers explicitly given ] default package - possible but not useful in software engineering context of libraries and
        component-based software development

---

java as a pure oo language << 2 >> exceptions | 4 | 5 | 6 | 7 | 8 | 9

---