Java Language Package Documentation

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Example

Java SE 5

It is possible to create package-level documentation in Javadocs using a file called package-info.java. This file must be formatted as below. Leading whitespace and asterisks optional, typically present in each line for formatting reason

/**
 * Package documentation goes here; any documentation before the first period will 
 * be used as a summary.
 *
 * It is common practice to leave a blank line between the summary and the rest
 * of the documentation; use this space to describe the package in as much detail
 * as is appropriate.
 * 
 * Inline tags such as {@code code here}, {@link reference.to.other.Documentation},
 * and {@literal text here} can be used in this documentation.
 */
package com.example.foo;

// The rest of the file must be empty.

In the above case, you must put this file package-info.java inside the folder of the Java package com.example.foo.

Dynamic Method Dispatch