how to if statement

The code we see earlier is executed sequentially, that is, the first statement is executed first, then the second, the third ... Until the last statement. However, in many cases, sequential structure of the code is far from enough, such as a

20172330 2017-2018-1 "Java program design" Fifth week study summary textbook study content summary fifth chapter The first is the understanding of the various operators: just beginning to think that equality is =, there are some other symbols

Java Branching Structure-if...else/switchSequential structures can only be executed sequentially, not judged and chosen, so branching structures are required.There are two types of branching structures in Java: if statement Switch

Tutorials | control | Statements This section describes how to use C # to select a control statement, and the third lesson will achieve the following objectives: 1. Learn the use of "if" statements. 2. Learn the use of the "switch" statement. 3.

Conditions and loops in the Python entry-level article, and loops in the python entry-level article 1. if statement The if clause in Python looks familiar. It consists of three parts: the keyword itself, a condition expression used to determine

Summarize the knowledge points of control flow statements and Python knowledge points in python. Program Flow At the simplest level, the Python interpreter operates in a similar way, starting from the top of the program, and then executes program

4.2 Item Selection Statements"Teacher, did I pass the level four exam?" ”If the teacher is asked this question, how will he answer? Yes, he will choose different answers according to different conditions:If the test result is greater than or equal

Directory of this document Objective First, sequential structure Second, select structure 1-IF statement III. Select structure 2-switch statement IV. cyclic structure 1-while cycle V. Cyclic structure 2-do while loop

If statementAn If statement contains a Boolean expression and one or more statements.GrammarThe syntax for the IF statement is as follows:if (Boolean expression){If the Boolean expression is true, the statement executed}If the value of the Boolean

1.if statement The IF clause in Python looks familiar. It consists of three parts: the keyword itself, the conditional expression used to determine the true and false of the result, and a block of code that executes when the expression is true or

First, Introduction Python's conditions and looping statements determine the program's control flow and reflect the diversity of the structure. It is important to understand if, while, for, and the else, elif, break, continue, and pass statements

Single condition selection structure is the most commonly used two-branch selection structure, which is characterized by: if the value of the given condition (condition expression) is true, the X1 block is executed, otherwise the X2 block is

Chapter 5 PHP3 language structure (I), Control Structure 1. IF statement is an important feature of most languages, it executes program segments according to the conditions. PHP's IF statement is similar to C: if (expr) statement. as discussed in

PHP control statement application. Application of PHP control statements 1. IF statements are an important feature of most languages. they execute program segments based on conditions. PHP's IF statement is similar to C: if (expr) statement, just as

PHP control statement. PHP control statement 1. IF statements are an important feature of most languages. they execute program segments based on conditions. PHP's IF statement is similar to C: if (expr) statement, just as PHP's control statement in

Control flowSwift provides a variety of control flow structures, including a while loop that can be executed multiple times, select if, Guard, and switch statements that perform different branches based on specific criteria, and break and continue

4.2 Item Selection Statements"Teacher, did I pass the level four exam?" ”If the teacher is asked this question, how will he answer? Yes, he will choose different answers according to different conditions:If the test result is greater than or equal

First, Introduction Python's conditions and looping statements determine the program's control flow and reflect the diversity of the structure. It is important to understand if, while, for, and the else, elif, break, continue, and pass statements

Process Control statements are critical in JS. The Process Control statements in JS include 7 kinds of statements, such as if condition judgment statement, for Loop statement, while Loop statement, Do......while Loop statement, break statement,

Chapter 6 control statementsThere is a statement that you can find in each programming language control flow statement. In this chapter, I introduced the control statements of C #, which are divided into two main parts:. Select statement. Loop