what switch statement

In the PHP development process, if we want to effectively respond to user input, the code needs to be judged. The structure that allows the program to make judgments is called a condition. What are the condition structure statements in PHP? In the

Embedded C language Optimization tips1 OverviewEmbedded system refers to the completion of one or several specific functions of computer systems, with a high degree of automation, rapid response and other advantages, has been widely used in consumer

Http://www.vcworld.net/news/200909/092714.html   Description of compilation errors: source program errors of Turbo C are classified into three types: fatal errors, General errors, and warnings. A fatal error is usually an internal compilation error.

Description: Turbo C's source program error is divided into three types: fatal error, general error, and warning. A fatal error is usually an internal compilation error, a general error that refers to a program's syntax error, a disk or memory

Sometimes we need to receive char type data with scanner instead of receiving string. For example, when we use the switch () statement, we cannot use the string type. Switch statement:Switch keyword in Chinese meaning is the meaning of switching,

20172324 "Java program design" The sixth Week study summary textbook Learning content Summary How to create an array and the difference between int[] X and int x[] (compile-time is no different, only the former is consistent with other

The switch statement is used to execute different actions based on different conditions. JavaScript switch statement The switch statement is used to execute different actions based on different conditions. JavaScript switch statement Use the switch

The "advanced" usage of the PHP switch judgment statement is detailed in the switch Only so called "advanced" usage, because I even switch the most basic usage has not mastered, so, the next is actually the basic usage of it! A switch statement is

With wings to fly, the lack of flexible code is like the frozen wings of the birds. If you cannot fly, you will lose a little bit of flexibility. We need to bring warm sunshine to the code and let the cold wings fly again. By combining examples and

Multiple choice structure switch statement In java, a switch statement is provided for the multi-path Branch selection process. The switch statement selects one of the multiple operations to run based on the value of an expression. The syntax

Set Common conditional judgment statements statement description if statement consists of a Boolean expression followed by one or more statements. if...else statement If statement

In summary, the use of switch is to determine if the expression after the case matches the expression after switch, and once the case is matched, the subsequent program code is executed, regardless of whether the following case matches until the

1. Caution With exceptionsIn Java software development, Try-catch are often used for error trapping, but Try-catch statements are very bad for system performance. Therefore, you should try to avoid applying it in the loop.2. Using Local variablesThe

In front of you to explain a multi-choice ElseIf statement, although this statement can make a variety of judgments, but when used, need to write a lot of if statements, to our program readability inconvenience, in order to avoid the IF statement

switch statement and have the sameAn expression a series of IF statements are similar. In many cases it is necessary to compare the same variable (or expression) with many different values and execute different code depending on which value it

In general Android projects, constants of the R class are defined by final, but after ADT 14, if there is no final keyword in the library project, It is estimated that in the new ADT, the resource file will become a library ...,   In the case of the

Go language conditionsConditional statements require the developer to decide whether to execute the specified statement by specifying one or more conditions and to test whether the condition is true, and to execute additional statements if the

The performance of the program is directly affected by the quality of the code. In this article, I'll focus on some code-writing tips and conventions that can help you improve system performance at the code level.1, cautious use of abnormal In Java

# # #03.01_java Language Basics (Basic usage of logical operators) (master)* A: What are logical operators* &,|,^,!* &&,| |* B: Case Demo* Basic usage of logical operators* Precautions:* A: Logical operators are typically used to concatenate

Python branch structure (switch) operation introduction, pythonswitch Python does not have a switch statement. This article mainly studies the function of implementing the switch statement through the dictionary, as follows. The switch statement is