// C Program to show the if...else statement #include <stdio.h> int main() { int a = 10; if (a < 20) { printf("Given Value is less than 20 "); } else { printf("Given Value is greater than 20"); } return 0; } 输出
usingSystem;classProgram{staticboolIsPrime(intnumber){if(number<=1){returnfalse;}for(inti=2;i*i<=number;i++){if(number%i==0){returnfalse;}}returntrue;}staticvoidMain(){intnumber=17;if(IsPrime(number)){Console.WriteLine("是质数");}else{Console.WriteLine("不是质数");}}} 在这个例子中,...
Lets take the same example that we have seen above while discussing nested if..else. We will rewrite the same program using else..if statements. #include<stdio.h>intmain(){intvar1,var2;printf("Input the value of var1:");scanf("%d",&var1);printf("Input the value of var2:");scan...
Program in C Operators in C Conclusion The “if-else” statement in C programming holds the power to guide your code’s execution path based on conditions. By using “if-else” statements, you can build adaptable applications that cater to a range of scenarios, from grading systems to ...
7}elseif(number<0){ 8printf("The number is negative.\n"); 9}else{ 10printf("The number is zero.\n"); 11} 12return0; 13} In this program, the number is evaluated against three conditions to determine if it is positive, negative, or zero, showcasing how else-if ladders efficiently...
} else { value = Integer.valueOf(text); root.setAttribute(ICodeKey.VALUE, Integer.valueOf(text)); } ProgramGenerator.getInstance().emit(Instruction.SIPUSH, "" + value); break; case CGrammarInitializer.Name_TO_Unary: symbol = (Symbol)root.getAttribute(ICodeKey.SYMBOL); ...
在本练习中,你将使用if、else和else if语句来优化代码中的分支选项并修复逻辑 bug。 使用if 和 else 语句,而不是两个单独的 if 语句 不是执行两项检查来显示消息“你获胜了!”或“抱歉,你失败了”,而是将使用else关键字。 确保Program.cs 代码与以下内容匹配: ...
一个if 后可跟零个或一个 else,它必须在任何一个 else if 之后。 一个if 后可跟零个或多个 else if,它们必须在 else 之前。 一旦某个 else if 匹配成功,其他的 else if 或 else 将不会被测试。语法C# 中的 if...else if...else 语句的语法:if(boolean_expression 1) { /* 当布尔表达式 1 为...
If expression 2 is true, then the code inside the respective else-if-block is executed, and all other else-blocks are ignored. If both expressions 1 and 2 are false, the control goes to else-block 2, and the program verifies condition/ boolean expression 3. If it is true, the code ...
python 之 if 语句、else语句 1. if语句 (1)if 判断语句的基本语法: if 条件: 命令1 else 命令2 #只有条件成立才执行命令1,否则执行命令2 #注意:代码的缩进为一个 tab 键,或者四个空格(pycharm 自动帮我们增加)。在python开发中,Tab 和空格不要混用 练习1 练习......