| Overview of Java Language |
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| Java Program Structure |
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| A Java program may contain one or more section which is as follow: |
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| 1. Documentation section (suggested) |
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The documentation section comprises a set of comment line of the program, the author
and other details, which the programmer would like to refer to at a later stage. |
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| 2. Package statement (Optional) |
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| This statement declares a package name and inform the
compiler that the class defined here belong to this package. |
| Ex: package student; |
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| 3. Import Statement (Optional) |
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| This statement instructs the interpreter to load the specific class contained in the package. |
| Ex: import student. test; |
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| 4. Interface Statement (Optional) |
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| An interface is like a class but include a group of method declarations. |
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| 5. Class Definitions (Optional) |
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Classes are the primary and essential elements of Java program. These classes are used
to map the object of real world problems. |
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| 6. Main Method Class (Essential) |
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As every Java stand-alone program requires a main method as its starting point, this class is the essential part of the program. |
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