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Answers for "java package"

Java
3

java package

//A 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.

Advantages Of Packages
Java package is used to categorize the classes and interfaces so that they can be easily maintained.
Java package provides access protection.
Java package removes naming collision.
Example
//save as Simple.java  
package com.revature;  
public class Simple{  
 public static void main(String args[]){  
    System.out.println("Welcome to package");  
   }  
}

Accessing a package from other packages
There are three ways to access the package from outside the package.

import package.*;
import package.classname;
fully qualified name.
Posted by: Guest on August-31-2021
4

What is packages in java

Package is a mechanism to group related classes ,interfaces and enums 
in to a single module.
Package can be declared using the following statement :
Syntax : package <package-name>
Coding Convention : package name should be declared in small letters.
package statement defines the namespace.
The main use of package is
1) To resolve naming conflicts
2) For visibility control : We can define classes and interfaces that are 
not accessible outside the class
Posted by: Guest on November-30-2020
4

java packages example

// import <package>			-> Imports the whole package
// import <package>.<class> -> Imports a certain class
import java.util.Scanner;
Posted by: Guest on May-27-2020
-1

java package

package mypack;
public class employee 
{
    String empId;
    String name; 
}
Posted by: Guest on August-13-2021
-1

java package

//A 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.

Advantages Of Packages
Java package is used to categorize the classes and interfaces so that they can be easily maintained.
Java package provides access protection.
Java package removes naming collision.
Example
//save as Simple.java  
package com.revature;  
public class Simple{  
 public static void main(String args[]){  
    System.out.println("Welcome to package");  
   }  
}
Posted by: Guest on August-31-2021

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