What are the flow control statements?
Flow control statements are divided into three parts: sequence, selection and loop.
Sequential statements are executed from top to bottom.
Loop statements There are three types of for, while and do...while. The loop variable of for is in the loop and will be recycled after the loop ends, saving space but cannot be used again. The while loop variable is outside the loop and can be called again after the loop ends. The do...while loop will be executed once regardless of whether the condition is true or not. for and while will execute the loop body only when the condition is met.
The selection statement is executed using switch....case...default. After case and default, there is a statement body and break. When the conditions are met, it will jump to the corresponding case statement body and directly break to end the loop. The default statement will be executed when the conditions are not met.
The above is the detailed content of What are the flow control statements?. For more information, please follow other related articles on the PHP Chinese website!
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
AI Hentai Generator
Generate AI Hentai for free.
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
What are the common process control structures in Python?
Dec 12, 2023 pm 04:31 PM
There are three common process control structures in python, namely sequence structure, selection structure and loop structure. Detailed introduction: 1. Sequential structure, which is the simplest structure in the program. According to the order of the code, it is executed from top to bottom; 2. Selection structure, this structure can be judged according to certain conditions and choose to execute different codes. Blocks, in Python, usually use "if-elif-else" statements to implement selection structures; 3. Loop structures, which can repeatedly execute a piece of code until it stops when a certain condition is met, etc.
What are the golang flow control statements?
Dec 28, 2022 pm 05:58 PM
Flow control statement: 1. if statement, consisting of a Boolean expression followed by one or more statements; 2. "if...else" statement, the expression in else is executed when the Boolean expression is false; 3. switch Statement, used to perform different actions based on different conditions; 4. select statement; 5. for loop statement, syntax "for k,v := range oldmap{newmap[k]=v}"; 6. Loop control statement break, continue , goto.
What are the common flow control structures in Python?
Jan 20, 2024 am 10:38 AM
There are four common flow control structures in Python, namely sequential structure, conditional structure, loop structure and jump structure. The following will introduce them one by one and provide corresponding code examples. Sequential structure: A sequential structure is a structure in which the program is executed in a predetermined order from top to bottom, without specific keywords or syntax. Sample code: print("This is the sequence structure example 1")print("This is the sequence structure example 2")print("This is the sequence structure example 2")
Must learn! In-depth analysis of commonly used flow control statements in Python
Jan 20, 2024 am 09:37 AM
A must-see for beginners! Analysis of commonly used flow control statements in Python requires specific code examples. Introduction: Python, as a concise and powerful programming language, is easy to learn and suitable for beginners to get started. The flow control statement is the core of programming. By mastering the flow control statement, you can make your program writing more flexible and efficient. This article will give you a detailed analysis of the commonly used flow control statements in Python, along with specific code examples. I hope it will be helpful to your learning. 1. if statement if statement is Pyt
What are the common flow control structures in Python?
Jan 20, 2024 am 10:38 AM
What are the common flow control structures in Python? In Python programming, the flow control structure is a powerful tool used to control the execution sequence and conditional judgment of the program. In Python, common flow control structures include conditional statements, loop statements and exception handling statements. Let's walk through each of these constructs one by one and give concrete code examples. Conditional statement (if statement): Conditional statements are used to execute different blocks of code based on the true or false condition. In Python, the syntax of the if statement is as follows: i
To understand flow control statements in Python, you need to master several situations
Jan 20, 2024 am 08:06 AM
Python is a widely used high-level programming language. It is easy to learn, efficient and flexible, and is deeply loved by developers. In Python, flow control statements are an important part of implementing program logic. This article will introduce commonly used flow control statements in Python and provide code examples to deepen understanding. In Python, common flow control statements include conditional statements and loop statements. Conditional statements execute different code blocks based on the true or false condition and are used to determine and select execution branches. The loop statement is used to repeat
How to use Java language flow control statements
Jun 09, 2023 pm 08:36 PM
The Java language is a high-level programming language, and its flow control statements are a very important part of programming. In Java, flow control statements can be used to control the execution sequence of the program, determine conditions, and execute a certain code block in a loop to achieve program flexibility and controllability. There are three main types of flow control statements in Java language: sequence structure, selection structure and loop structure. Next, we will introduce the use of these three flow control statements in detail. 1. Sequential structure Sequential structure means that the program is executed sequentially in the order in which the code is written.
Python syntax analysis: demystifying programming
Feb 21, 2024 am 08:42 AM
Basic structure of python syntax Python syntax is known for its simplicity and readability. Code blocks end with a colon (:), and the indentation indicates the nesting level of the code block. There is no explicit semicolon (;) in Python, instead newline characters are used to separate statements. #This is a single-line comment"""This is a multi-line comment"""print("Hello, world!")#Output text keywords and identifiers Python has some reserved keywords, they have special meanings and cannot be used as variable name. The following are some common keywords: and, as, assert, break, continue, def, del, elif, else, except, finally