what control structure

The control structure of php is mostly the same as that of other mainstream languages, such as C and Java. Here are some different and frequently-tested details: 1> alternative Syntax of process control (pascal style)It is mainly used in if, while,

Scala has a handful of built-in control structures, only if, while, for, match, try, and function calls.Almost all Scala control structures produce a value (while and do while not producing meaningful values, but also return a value of unit type,

(1) If ElseVal s=if(x>01Else -1(2) Cycle while (N>0 =r*nn -= 1 /// for Loop for (i 1 to N) r=r*i // until val s= " hello " sum=0 for (i 0 util s.length) sum+=s (i) // // Multiple for Loop for 1 3 1 3) print ((*i+j) + "")// will

Seventh chapter control Structureby FlamephoenixFirst, condition judgmentSecond, the cycle:1. While loop2. Until cycle3. For loop4. Foreach loop for each element of the list (array)5. Do Loop6. Cyclic control7, the traditional goto statementThree,

This article describes the PHP introductory tutorial operator and control structure flow. Share to everyone for your reference, as follows: demo1.php "; echo "His name is". $username 2. ", read who asked June chanting, \ \ \ \ \ \ \ \ \ \ \" ";

This is a creation in Article, where the information may have evolved or changed. the control structure of the go language has the IF switch for   If example: Func iffunc (i int, b bool) int {//This function parameter is an int type of i bool

Knowledge Points: 1. Conditional expression if (x>0) 1 Else 0 Scala each expression has a type, if it is the same type, and if it is a mixed-type expression, the public superclass of any.if (x>0) 1 may not have output values, in Scala, each

1. One thing you'll notice is, almost all of Scala's control structures result in some valueEvery control statement in Scala is a value.The approach taken by functional languagesWhich programs is viewed as computing a value, thus the components of

Directory:PHP Learning note--1. variablesPHP Learning note--2. ConstantsPHP Learning note--3. operatorPHP Learning Note--4. Control structurePHP Learning Note--5. Functions1. Sequential structureExecute from top to bottom in writing order2.

Sequential structureBranchIf the condition is met. The branch is entered, such as if statement, if the condition is not satisfied, then the branch is not entered0, empty built-in structure, none bool structure is false, non-0, non-empty built-in

1. Break　　Using the break statement, you can exit a statement that is buried deep in a nested loop to a specified number of layers or exit directly to the outermost layer, and break takes an optional numeric argument to decide to jump out of a few

Shell control structure (break and continue statements) the break statement can end the execution of while, for, until, select, and other structures, that is, jumping out of the structure. After exiting the loop, go to the done statement and

First, the loop control statementThe loop statement mainly consists of executing an operation repeatedly while satisfying the condition, and the loop control statement mainly includes the while statement , thedo...while statement and the FOR

Tag: equals for Loop statement Boolean nbsp WWW code click Technology Share MITFirst, the loop control statementThe loop statement mainly consists of executing an operation repeatedly while satisfying the condition, and the loop control statement

Loop structureCyclic structure-whilewhile (condition){Statement}Explanation: First determine whether the condition is established, the establishment of the execution, after the execution of the code again to determine whether the condition is

First, sequential structure1. DescriptionThe program executes from top to bottom, without any jumps or selections in the middle.2. FeaturesVariables must follow the forward reference(Local variables must first be declared, assigned, and then used!) ）

Directly talk about multi-branch structure (Chained), it is relatively simple, just summarize:Like whatExample 1: Converting an exam score to a gradeScore >= 90AScore >= 80BScore >= 70CScore >= 60DScore EPython Statement implementations:Score =98if

  Control Structure in Js Switch usage Var day = 12; // Switch (day ){   // Case 1: // Document. write ("Monday "); // Break; // Case 2: // Document. write ("Tuesday "); // Break; // Case 3: // Document. write ("Wednesday "); // Break; // Case 4: //

Oracle control structure (where the goto statement is known) a) Condition Statement if --- then/if -- then -- else/if -- then -- eslif -- then Example 1 ): write a process and enter the employee name. If the employee's salary is lower than 2000,

The control structure of php is mostly the same as that of other mainstream languages, such as C and Java.Here are some different and frequently-tested details:1> alternative Syntax of process control (pascal style)It is mainly used in if, while,