simple example of abstraction in java

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C ++ Engineering Practice (9): Data abstraction

What is data abstraction?Data abstraction action is a programming paradigm parallel to object-oriented (object-oriented ). It may seem strange to say "data abstraction". Its other name is "abstract data type/ADT. "Supporting data abstraction" has

Views on the consistency of the level of abstraction

What abstract In fact, abstraction is a very iffy thing. In fact, we write a lot of code around, are process-style writing.We all know that the three basic principles of object-oriented are: encapsulation inheritance and polymorphism. We are often

PEAR MDB Database Abstraction Layer-write once-run anywhere

Data | database Write Once-run Anywhere Write once-run anywhere This is a Java marketing slogan, but it is also one of the key features of PHP. Many business models rely on operating system independence to ensure that products can be sold to a wide

Understanding java-1.1 Programming Language Abstraction process and Java's basic features from the beginning

In this chapter, we will briefly talk about the process of object abstraction.1. All languages provide an abstraction mechanism.For example: A=1 (The following are examples, the contents mentioned in it may be wrong, because the author did not learn

PEARMDB database abstraction layer-write once-run anywhere _ PHP Tutorial

PEARMDB database abstraction layer-write once-run everywhere. Writeonce-runanywhere: running it everywhere is a marketing slogan of Java, but it is also one of the key features of PHP. Many business models rely on Write once-run anywhere, which is

In-depth understanding of computer systems (1.4)---concurrency and parallelism, talking about abstraction

This article reprinted address : http://www.cnblogs.com/zuoxiaolong/p/computer4.htmlIntroductionConcurrency and parallelism have always been a hot word in the IT world, and I am sure you will never be unfamiliar to apes. In the computer system this

PEARMDB database abstraction layer-write once-run anywhere

Writeonce-runanywhere: running it everywhere is a marketing slogan of Java, but it is also one of the key features of PHP. Many business models rely on operating system independence to ensure that products can be sold to a wide range of customers.

Add the hardware abstraction layer (HAL) module on Ubuntu to access the Linux Kernel Driver (Lao Luo study note 3) and ubuntuandroid

Add the hardware abstraction layer (HAL) module on Ubuntu to access the Linux Kernel Driver (Lao Luo study note 3) and ubuntuandroid In the overview and learning plan of the hardware abstraction layer (HAL) of Android, we briefly introduce how to

PEARMDB database abstraction layer-Write Once-run anywhere

Write once-run anywhere: running it everywhere is a marketing slogan of Java, but it is also one of the key features of PHP. Many business models rely on Operating System independence to ensure that products can be sold to a wide range of customers.

The path of Java learning--a simple basic question of face

1. What are the aspects of object-oriented features?A: Object-oriented features are mainly in the following areas:1) Abstraction: Abstraction is the process of constructing classes by summarizing the common features of a class of objects, including

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