what switch case

Select statements, also called conditional branching statements: If......else and Switch......case, where the else in If......else is optional, but the case in switch......case is required.The condition after switch must be a byte, short, int, or

Branch statements1) If...else ... Branch① alone if statement, not in conjunction with elseSyntax: if (Boolean expression) {statement block;}The following code ...Operation: When the Boolean expression is set, the statement block is executed, and the

Just finished the second week left, and the following is the third week.Week Three: Judging1.if and else can be followed by a statement without {}. How will the program execute if it does not have {} after it, but follows two statements followed by

The switch in JAVA7 supports the implementation details of stringAuthor: zsxwing Updated: 2013-03-04 21:08:02 posted: 2012-04-26 13:58:19Before JAVA7, switch can only support byte, short, char, int, or its corresponding wrapper class and enum

Specification descriptionThis is the code writing specification that the front-end development team follows and conventions, and is intended to improve the normative and maintainability of the code.Basic guidelinesConform to Web standards, semantic

When writing a program, we often run into scenarios where we plug a bunch of algorithms into the same piece of code and then use IF-ELSE or switch-case conditional statements to determine which algorithm to use. These algorithms may be a bunch of

Reason Status In the XP system has not entered the partition operation on the error 0X000000A5. Unable to install, this problem appears in Lenovo Yang Tian b490/b590 notebook computer. Solutions In the system installation process we see the

About enumerationsmost places write enumerations for an enumeration and then an example to start a switch, but I want to say that the data from my code is not likely to be an enumeration, usually a string or a number, such as a SQL I parse first to

Copy CodeThe code is as follows: /* * Process Control * * First, sequential structure * Second, branch structure--Conditional structure--Select structure * 1. One-way Branch *//Condition bool,true or false,> * IF (condition) * Execute one of the

1, using an array join method in a lower version of the browser (such as IE6,IE7, etc.) is much more efficient than using the + number to connect (such as [' AAA ', ' BBB ', ' CCC '].join () more efficiently than ' AAA ' + ' BBB ' + ' CCC '); 2,

PHP Structure Statement order structure The order structure is like a straight line, which is carried down in order. The code we write is executed by default in sequential structure. The if...else of the condition structure ... Conditional

It is quicker to use single quotes instead of double quotes to contain strings. Because PHP searches for variables in a string enclosed in double quotes, single quotes are not, note: only echo can do this, it is a "function" that can take multiple

ViewThe view is the virtual table we've queried.Creating views: Create View nameAsSQL query statements, grouping, sorting, in and so on can not be writtenView Usage: SELECT * from view nameSQL programmingDefine variable: DECLARE @ variable name data

JAVA basics: Let's talk about how to use enumeration in Java-general Linux technology-Linux programming and kernel information. The following is a detailed description. Programmers from C ++ to Java always complained a lot at the beginning, but not

1. Do not copy variables randomlySometimes in order to make the PHP code more neat, some novice PHP (including me) will copy the predefined variables into a shorter name of the variable, in fact, the result is an increase in memory consumption, will

There are seven main types of Logic Control in C language: 1> goto is the most powerful, but it is generally used only in special environments. 2> if else 3>? : 4> switch case 5> 6> while 7> do while Since dijkstra's article Go To Statement

Indispensable Windows Native (3), windowsnative [Download source code]Indispensable Windows Native (3)-C language: operators, expressions, conditional statements, cyclic statements, steering statements, empty statements, etc. Author:

There are two types of branch statements in JavaScript, if...else ... Branch statement; Switch...case. The branch statement.If...else ... BranchIf a bool value or a logical expression is required inside the parentheses after the IF, the curly braces

Although PHP is powerful, it does not have any disadvantages. Like other languages, it also needs to constantly update and modify the compiled code in actual application writing until it is satisfied. Next we will share with you some tips on

Copy codeThe Code is as follows:/** Process Control** 1. Ordered Structure* 2. Branch Structure-condition structure-select Structure* 1. Single Branch* // Condition bool, true or false, >* If (condition)* Execute the following statement.* If