The important point to note is that the statements in thedoblock are executed at least once, even if the condition in thewhilestatement is alwaysfalse. 1. Syntax The general syntax of a do-while loop is as foll
Java do while loop syntax is as follows: do { // statements } while (expression); The expression for the do-while loop must return a boolean value, otherwise, it will throw compile-time error. do while java flow diagram Java do-while loop example Here is a simple java do-while loop...
Do在编程中一般指代“做”或“执行”,1、半独立执行块,在某些编程语言中,如 C 或 Java,do通常与 while 关键词结合使用,构成 do-while 循环,它保证了循环体至少执行一次,即使循环条件初始值为假。在 do-while 循环中,循环体里的代码首先执行,然后才检查循环条件。如果条件为真,循环体再次执行,这个过程重复进行...
In the previous tutorial, you learned about Java for loop. Here, you are going to learn about while and do...while loops. Java while loop Java while loop is used to run a specific code until a certain condition is met. The syntax of the while loop is: while (testExpression) { //...
The while statement continually executes a block of statements while a particular condition is true. Its syntax can be expressed as: while (expression) { statement(s) } The while statement evaluates expression, which must return a boolean value. If the expression evaluates to true, the while ...
while loop do...while loop In the previous tutorial, we learned about for loop. In this tutorial, we will learn about while and do..while loop. while loop The syntax of the while loop is: while (testExpression) { // the body of the loop } How while loop works? The while loop ev...
[Groovy] 在Groovy中优雅的实现do while Groovy原生是不支持do while的,参考 groovy - dev>do while Migration From Classic to JSR syntax Groovy Documentation>Control Structures>Looping Rosetta Code>Loops/Do-while Groovy 曲线救国,可以这么用 classLooper {privateClosure codestaticLooper loop( Closure code ...
do...while loop Flowchart Syntax do{//code to be executed}while(test condition); The body of the loop executes before checking the condition. If thetest conditionistrue, the loop body executes again. Again thetest conditionis evaluated. ...
/bin/bashwhile [ $i -le "6" ] j=1 echo \doecho/test.sh: line 9: syntax error near unexpected tok 浏览0提问于2017-12-08得票数0 1回答 正在尝试创建我的bash脚本 我正在尝试创建一个简单的bash脚本。(刚刚开始编写bash脚本)脚本很简单。rsyslog服务存在问题,有时会死机。/bin/bashb="r...
在使用while do循环时,可能会遇到如下的错误信息: ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘while do’ at line 1 这个错误信息表明MySQL解析器在语法分析过程中遇到了问题,并指出了...