What are packages in Java?
Answers
java package is a group of similar types of classes, interfaces and sub-packages.
Package in java can be categorized in two form, built-in package and user-defined package.
There are many built-in packages such as java, lang, awt, javax, swing, net, io, util, sql etc.
Here, we will have the detailed learning of creating and using user-defined packages.
Advantage of Java Package
1) Java package is used to categorize the classes and interfaces so that they can be easily maintained.
2) Java package provides access protection.
3) Java package removes naming collision
Syntax: -
package mypack;
public class Simple{
public static void main(String args[]){
System.out.println("Welcome to package");
}
}
Answer:
Package in Java is a mechanism to encapsulate a group of classes, sub packages and interfaces. Packages are used for: Preventing naming conflicts. ... Making searching/locating and usage of classes, interfaces, enumerations and annotations easier.