what while loop

while Introduction to Commands:While loop: For scenarios where the number of cycles is unknown, there is an exit condition, otherwise it becomes a dead loop.1 . Command format:Grammar:While CONDITION; DoStatement...Done2 . Command function:While

Package four;public class Fouronetwo {public static void Main (String args[]) {Double sum = 0,a = 1;int i = 1;while (I {sum = sum+a;i = i+1;A = A * (1.0/i);}SYSTEM.OUT.PRINTLN (sum);}}Explanation: When I=1, Sum=1, i=2, a=1* (1/2);When i=2, SUM=1+1*1/

Tag: the base port exti new Int () defines the ring stringhttp://www.verejava.com/?id=16992623980921/* do{ }while(判断表达式) ： 直到 while 判断表达式为 false 退出循环*/import java.util.Scanner;public class Test1 { /** * @param args the command line arguments

#python中, the While statement is used to loop the execution of a program that, under certain conditions, loops through a program to handle the same tasks that require repeated processing.#while是 the "as type" loop structure.I=1While iPrint (i,end= ""

Transferred from: http://hi.baidu.com/%CE%D2%D2%AA_%D1%A7_%CF%B0/blog/item/b3b5e723bb2ed1265243c1e4.htmlHow to read a file:First step: Pass the contents of the file to the while by pipe (|) or redirect (The second step is to call read in the while

While loopSuitable for environments where the proposition is true when the loop is executedWhen a proposition is true, it enters a loop, and a proposition is a false exit loop.Or when the condition is met, it goes into the loop.Syntax format:While

First of all, the difference between foreach and for, foreach is for the object traversal, do not need to define the number of cycles, but there is a disadvantage, the foreach traversal is read-only data, can not be in a Foreach object additions and

application of the while statement Examples are as follows:1 """2 User Login system, can only log in at most three times3 after the third failure, the program terminates4 5 """6User_table = {"python":"Important","Java":"more_important","Shell":

traversing a file with a for loopOpen FileOpenr: Open in read modew: Open in write modeA: Open in Append moder+: Open in read-write modew+: Open in read/write mode (see W)A +: Open in read/write mode (see a)RB: Open in binary read modeWB: Opens in

While loop statements are simpler to use than for statements, and are simple in format; while (judging condition) {Circulation body} public class Whiletest {public static void Main (string[] args) { int i=1; while (i

--while Cycle--Features:--1. No true/false, write conditional expressions--2. can also be nested--3. can also break,continue--4. No {}, need to use begin. End-If the number of people who fail the office is more than half (the exam problem is

How to read a file:First step: Pass the contents of the file to the while by pipe (|) or redirect (The second step is to call read in the while and read the contents of the file one line at a time and pay the value to the variable following read.

First we look at a correct complete one stored procedure① where the delimiter command is interpreted as follows: By default, delimiter is a semicolon ;. In the command-line client, if a single line of commands ends with a semicolon, the command will

drop proc qiuhecreate proc Qiuhe--accumulate sum @n in database languageint asDeclare @sumint--equivalent to defining variables in the C # language declare @iint Set@sum =0--assigns a value to the variable, which is equivalent to the C #

Four loops in Oracle (GOTO, For, While, Loop) [SQL] DECLARE x number; BEGIN x: = 9; -- cyclic point x: = X-1; DBMS_OUTPUT.PUT_LINE (X); IF X> 0 THEN GOTO repeat_loop; -- when the value of x is less than 9, go to repeat_loop end if; END;/FOR Loop

The code for the while LOOP usage in Javascript is described in this example. I believe this will be helpful for your JavaScript programming. while LOOP test while loop

One, cycle mechanism and application scenario1.while CycleUsed to write generic iterative structures (non-traversal);The top test executes the loop body as true, and repeats the test several times until the other statement after the loop is executed.

OracleLoop statementLoopAndWhileUsage A. Loop... end Loop (Execute at least once) Please write a process. You can enter the user name and add 10 Users to Users in the table, the user number is from 1 . Create or replace procedureSp_

The following article describes how Python writes a three-level while loop menu 1. Define the dictionary, the Dictionary nested dictionary, the value of the embedded dictionary is a list. Ideas: City of Hubei Province: in the dictionaryDefines 3

PackageNothh; Public classMMM { Public Static voidMain (string[] args) {//TODO auto-generated Method Stub//compared to the sum of factorial, the inverse of factorial and the need to use a float or double. floatx = 0; floaty = 0; intz = 20;