What Is Package Example?

How do I compile a package body?

To recompile the body of the emp_mgmt package in the schema hr , issue the following statement: ALTER PACKAGE hr.

emp_mgmt COMPILE BODY; If Oracle Database encounters no compilation errors while recompiling the package body, then the body becomes valid..

What are 10 examples of application packages and their uses?

What Are 10 Examples of Application Software?MS Word. Microsoft Word is a word-processing software that was created in 1983. … MS Access. MS Access is a database management software. … MS Excel. MS Excel is a spreadsheet software program. … Firefox. Firefox is a web browser designed to keep your information protected. … Safari. … Chrome. … AutoCAD. … Microsoft Powerpoint.More items…

What is package explain steps to create package with example?

Steps To Create Your Own PackageCreate a package(folder) named p1.Create a file named MyCalculator. java inside p1 package.Write the followling code in MyCalculator. java file. … Create a file named TestPackage. java outside p1 package.Write the following code in TestPackage. java file. … Compile and Run TestPackage.

How do we add a class or an interface to a package?

To add a class or interface to a package:Add package myPackageName ; as the first Java statement of the source file.In your development directory, store the source file in a directory structure corresponding to your package name.

What is an interface for?

In general, an interface is a device or a system that unrelated entities use to interact. … Like a class, an interface defines methods. Unlike a class, an interface never implements methods; instead, classes that implement the interface implement the methods defined by the interface.

How can I access a package from another package?

There are three ways to access the package from outside the package.import package.*;import package. classname;fully qualified name.

What are the types of tour package?

Types of Tour PackagesIndependent Tours.Escorted Tours.Hosted Tours.Incentives Travel/Tours.Freedom Tours.

How do you define a package?

A Package can be defined as a grouping of related types (classes, interfaces, enumerations and annotations ) providing access protection and namespace management.

What is use of the package statement?

The package statement identifies the package that a Java program belongs to. If your program does not include a package statement, the program belongs to the default package, which is simply a package that has no name. This is acceptable for short programs written for testing purposes.

What are the application packages?

application package (software package) A collection of programs or modules that is directed at some generic application and can be tailored (perhaps with some additions) to the needs of a specific instance of that application.

What is a class in Java?

Java Classes/Objects Java is an object-oriented programming language. … A Class is like an object constructor, or a “blueprint” for creating objects.

What is Polymorphism in Java?

Polymorphism means “many forms”, and it occurs when we have many classes that are related to each other by inheritance. Like we specified in the previous chapter; Inheritance lets us inherit attributes and methods from another class. Polymorphism uses those methods to perform different tasks.

What is difference between application and package?

First, applications are primarily designed for user deployments, while packages are primarily designed for device deployments. You can still use packages for user deployments and applications for device deployments – the settings in each type are just more geared for one versus the other.

What is Java package with example?

Package in Java is a mechanism to encapsulate a group of classes, sub packages and interfaces. Packages are used for: Preventing naming conflicts. For example there can be two classes with name Employee in two packages, college.

How do I import a package?

To import java package into a class, we need to use java import keyword which is used to access package and its classes into the java program. Use import to access built-in and user-defined packages into your java source file so that your class can refer to a class that is in another package by directly using its name.

How do you create a package?

How to Create a package?Choose the name of the package.Include the package command as the first line of code in your Java Source File.The Source file contains the classes, interfaces, etc you want to include in the package.Compile to create the Java packages.

How do I create a user defined package?

Steps of creating User Defined Packages Java and using them.Create a package with a .class file.set the classpath from the directory from which you would like to access. It may be in a different drive and directory. Let us call it as a target directory.Write a program and use the file from the package.

Can we create package inside package in Java?

you can click in the little arrow top left of the project explorer view menù and go to Package Presentation > Hierarchical. A folder-like hierachy is implicitly created by the package names in Java. … company and you want a sub-package in that package. Then you have to create a package with the name com.

How do I create a SQL package?

To create package specs, use the SQL statement CREATE PACKAGE . A CREATE PACKAGE BODY statement defines the package body. For information on the CREATE PACKAGE SQL statement, see Oracle Database SQL Reference. For information on the CREATE PACKAGE BODY SQL statement, see Oracle Database SQL Reference.

What is a package give an example?

A package means a complete version of an application software installed on your computer, phone etc…. For example, The MS Office package consists of Word, PowerPoint, Excel, Access, Publisher etc…. The Adobe package consists of photoshop, flash etc….

What are the basic computer packages?

List of computer Packages units at Inceptor ICT CentreIntroduction to Computers.Microsoft Windows.Computerized Speed Typing.Microsoft Word.Microsoft Excel.Microsoft Access.Microsoft PowerPoint.Microsoft Publisher.More items…•