while 和 do while 都是 C 语言中的循环语句,它们的主要区别在于循环体执行的顺序。 while 循环首先检查循环条件,只有当条件为真时才执行循环体。因此,如果条件一开始就为假,那么循环体将永远不会执行。而如果条件一直为真,那么循环将一直执行下去。 while: 你欠我钱,我走路上,前面一人,我先看清楚这个人是不是你,不是就不打
1.很多情况下,while和do while可以互换 2.while特点:如果一开始的条件不成立,永远不会执行循环体 do while特点:不管一开始的条件是否成立,至少会执行一次循环体 3.最好使用while */ #include <stdio.h> int main() { int i = 0; /* while (i<0) { i++; // 5 }*/ do { i++; // 5 } wh...
} 以上例子,循环寻找一个目标,直到寻到为止。 代码 //do while privatevoidbutton1_Click(objectsender, EventArgs e) { DialogResult result; loop: do { //code result=MessageBox.Show("是否继续寻找?","", MessageBoxButtons.OKCancel,MessageBoxIcon.Question); if(result==DialogResult.OK) { listBox1.Item...
10 Do While In JAVA: The Do While loop will first execute the code inside do{} and then evaluate the while Boolean expression. The statements will continue to execute until Boolean expression evaluate to false. In do while, we first put statement or code that we want to execute inside the...
In this tutorial, we will learn the use of while and do...while loops in C++ programming with the help of some examples. Loops are used to repeat a block of code
do-while 语句 **do-while语句基本语法格式do{ 语句; }while(布尔表达式); 其中dowhile是关键字,先执行do中的语句,在判断while表达式的值,若值为true则继续执行;否则循环结束。 ** 例如:用do-while语句求 1-10的和 Java-while循环语句 while与dowhile循环结构,格式简单,方便记忆。一、while结构比较:while(循环...
1.do while 译为:做时 用法:循环语句 例句:So what did you do while you walked her to the bus?你和她一起走去公车站时,有没有做过什么?2.while译为:虽然 用法:消磨,打发(时间);(愉快而懒散地)度过(时间)(常与 away 连用)例句:They were grinning and watching while one...
一、跳出循环不同 1、do-while:do-while不可以通过break在循环过程中跳出。2、while-do:while-do可以通过break在循环过程中跳出。二、执行次数不同 1、do-while:do-while至少会执行一次循环体。2、while-do:while-do可能会出现一次都不执行循环体的情况。三、优先操作不同 1、do-while:do-...
Loops are used in programming to execute a block of code repeatedly until a specified condition is met. In this tutorial, you will learn to create while and do...while loop in C programming with the help of examples.
package study5ran2yl.study; public class deno14 { public static void main(String[] args) { //计算1+2+...+100 int x = 1; int sum = 0; while(x<=100) {