6.2. Names and Identifiers A name is used to refer to an entity declared in a program. There are two forms of names: simple names and qualified names. A simple name is a single identifier. A qualified name consists of a name, a "." token, and an…
原文链接:A re-introduction to JavaScript (JS tutorial) Why a re-introduction? Because JavaScript is notorious for being the world's most misunderstood programming language. It is often derided as being a toy, but beneath its layer of deceptive simplicity…
子类(父类的外部包)中访问父类的protetcted属性或者方法,是不可以通过创建父类对象调用的.注意:此处不讨论同包下的父类子类,因为同包下所有类都可访问protected属性或者方法. 请参见Java官方文档:Chapter 6. Names中的6.6.2.1. Access to a protected Member具体例子如下: 父类C:在包c下 1 package c; 2 public class C { 3 protected int id; 4 protected void te…
Use Intention-Revealing Names The name should tell you why it exists, what it does, and how it is used. e.g. Bad code: public List<int[]> getThem(){ List<int[]> list1 = new ArrayList<int[]>(); for (int[] x : theList) if (x[0] == 4) list1…
30.8 Structure And Representation Of MIB Object Names We said that ASN.1 specifies how to represent both data items and names. However, understanding the names used for MIBvariables requires us to know about the underlying namespace. Names used for M…
Computer Science An Overview _J. Glenn Brookshear _11th Edition Chapter 6 Programming Languages As suggested in Section 6.1, high-level programming languages allow locations in main memory to be referenced by descriptive names rather than by numeric…
17.1 Object-oriented featuresPython is an object-oriented programming language, which means that it provides features that support object-oriented programming.It is not easy to define object-oriented programming, but we have already seen some of its…
I know it well:I read it in the grammar long ago.—William Shakespeare, The Tragedy(悲剧:灾难:惨案) of Titus Andronicus This chapter introduces the grammar of the good parts of JavaScript, presenting a quick overview of how the language is structured. We wi…