Understanding If-Else Statement The if-else statement extends the functionality of the if statement by allowing an alternative set of instructions to be executed when the if condition is false. Syntax and Structure The syntax for an if-else statement in C is: if(condition){ // block of code...
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, only one of the block is executed. Syntax of C If-Else statement Follow...
Syntax of if...else Ladder if (test expression1) { // statement(s) } else if(test expression2) { // statement(s) } else if (test expression3) { // statement(s) } . . else { // statement(s) } Example 3: C if...else Ladder // Program to relate two integers using =, >...
include <stdio.h>int main(void){ double delta=3;//楼主漏了一个分号，在表达式后边都需要一个分号 if (delta>0) printf("有两个解!\n"); else if (delta==0) printf("有一个唯一解!\n"); else printf("无解!\n"); return 0;} ...
Theif...elsestatement is used to execute a block of code among two alternatives. However, if we need to make a choice between more than two alternatives, we use theif...else if...elsestatement. Syntax if(condition1) {// code block 1}elseif(condition2){// code block 2}else{// co...
在if附近有语法错误，main.c文件的第174行，你用的什么IDE，如果是VC++你双击一下那个错误会自动定位到有错误的行的。
' Multiline syntax:Ifcondition [Then] [ statements ] [ElseIfelseifcondition [Then] [ elseifstatements ] ] [Else[ elsestatements ] ]EndIf' Single-line syntax:IfconditionThen[ statements ] [Else[ elsestatements ] ] 예제 코드에 대한 빠른 링크 ...
SyntaxGet your own C# Server 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 co...
else if,elseif,else Execute statements if condition is true collapse all in page Syntax ifexpressionstatementselseifexpressionstatementselsestatementsend Description ifexpression,statements, endevaluates anexpression, and executes a group of statements when the expression is true. An expression is true ...
Gets an ElseClauseSyntax that represents the statement to be executed when the condition is false if such statement exists.