Thecondition-expressionmust be aboolean expressionand the statements can be one simple statement or a block of multiple statements. Every time thecondition-expressionevaluates totrue, statement(s) block is executed. Thewhilestatement continues testing thecondition-expressionin loop and executing the block...
There are severalloop controlin Java, that as the name implies, can be used to manipulate the do while loop during it’s execution. continue statement The continue statement, when encountered will skip any remaining lines of code in the current iteration of the loop and skip to the beginning...
=0){num = num / 10;length++;}System.out.println("您输入的数值的长度是"+length+"位数");}}I、语法结构 while(expression){ //loop-statement;} II、执行流程 判定表达式的结果 如果结果时true则执行循环体一次 ，继续判定 直到循环条件(表达式)的结果时false，则终止整个while循环最开始表达式的...
Note that you will have to manually quit the application to stop it, usingif the program is executed in the terminal. If you execute the program in Eclipse IDE then there is a red color button to terminate the program. java for loopandjava continue statement...
If you have read the previous chapter, about the for loop, you will discover that a while loop is much the same as a for loop, with statement 1 and statement 3 omitted. The loop in this example uses aforloop to collect the car names from the cars array: ...
JavaScript Loop Statements StatementDescription breakBreaks out of a loop continueSkips a value in a loop whileLoops a code block while a condition is true do...whileLoops a code block once, and then while a condition is true forLoops a code block while a condition is true ...
An if statement in the middle of the while loop checks for the exit condition. If the exit condition is true, the code calls "break" which exits the while loop immediately: // suppose we have a variable "frog" while (true) { // use "true" as test -- exit is handled by the ...
While Loop The second basic type of loop in Java that I will discuss is the "while loop". A while loop is actually just a conditional that repeats itself as long as the condition stays true. It looks a lot like an if statement. Here take a look: ...
do {statement} while(condition) 这样的话,statement 即便在 condition 不满足的情况下,也至少执行一次。 int sum=0,tmp=200;do{sum+=tmp;tmp++;}while(tmp<101) 程序Retirement.java import java.util.*;/** * This program demonstrates a while loop. * @version 1.20...
The syntax of the Do-While loop in Java is fairly straightforward. It begins with the keyword “do” then has a block set apart by braces, then the keyword “while” followed by the condition: do { statement1; statement2; //and so on ...