So, in C if-else statement, we have an if block followed by else block. If the condition is true, if block is executed, and if the condition is false, else block is executed. Based on the output of condition, o
If the condition is true, the statements inside the if block are executed, and if the state is false, the statements inside the else block are executed.Syntax For If-Else C++:if (condition){// Executed if the condition is true}else{// Executed if the condition is false}...
Syntax of if...else Ladder if(test expression1) {// statement(s)}elseif(test expression2) {// statement(s)}elseif(test expression3) {// statement(s)} . .else{// statement(s)} Example 3: C if...else Ladder // Program to relate two integers using =, > or < symbol#include<st...
}else{ fmt.Println(num,"是奇数") } } 在上面的程序中,num是在if语句中初始化。有一件事需要注意的是num是一个变量,但只能在if和else之间访问,也就是说num的限制范围是if``else模块。如果我们想要在if``else之外的地址访问num,编译就会报错。这个语法在if else结构中使用声明变量时非常便利。使用这个语法,...
Syntax if(condition) {// block of code if condition is true}else{// block of code if condition is false} Theif..elsestatement evaluates theconditioninside the parenthesis. How if...else Statement Works If theconditionevaluatestrue, the code inside the body ofifis executed ...
Syntax if(condition) { // block of code to be executed if the condition is true } Note thatifis in lowercase letters. Uppercase letters (If or IF) will generate an error. In the example below, we test two values to find out if 20 is greater than 18. If the condition istrue, pri...
If...Then...Else 语句 (Visual Basic) 2023/06/09 本文内容 语法 指向示例代码的快速链接 组成部分 注解 显示另外 4 个 根据表达式的值有条件地执行一组语句。 语法 VB复制 ' Multiline syntax:Ifcondition [Then] [ statements ] [ElseIfelseifcondition [Then] [ elseifstatements ] ] [Else[ elsestat...
```在上面的程序中,`else`语句不是从`if`语句结束后的`}`同一行开始。而是从下一行开始。这是不允许的。如果运行这个程序,编译器会输出错误,``` main.go:12:5: syntax error: unexpected else, expecting } ```出错的原因是 Go 语言的分号是自动插入。
For more information, see the C# Language Specification. The language specification is the definitive source for C# syntax and usage. See Also Reference C# Keywords ?: Operator (C# Reference) if-else Statement (C++) switch (C# Reference) Concepts C# Programming Guide Other Resources C# ReferenceEn...
The #else directive, if present, must be the last directive before #endif. The #if, #elif, #else, and #endif directives can nest in the text portions of other #if directives. Each nested #else, #elif, or #endif directive belongs to the closest preceding #if directive. All conditional...