What is the package?


A package is a group of similar type of classes, interfaces, and sub-packages. It provides access protection and removes naming collision. The packages in Java can be categorized into two forms, inbuilt package, and user-defined package. There are many built-in packages such as Java, lang, awt, javax, swing, net, io, util, sql, etc. Consider the following example to create a package in Java.

//save as Simple.java  
package mypack;  
public class Simple{  
 public static void main(String args[]){  
    System.out.println("Welcome to package");  


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