if statement within if statement

Here is a typical decision to make if ... Else the general form of the structure is used in most programming languages: If statement: The If statement consists of a Boolean expression followed by one or more statements. Grammar: Syntax for an IF

One way to "make something happen" is to evaluate an expression with a side effect. Injected assignments and function calls these expressions with side-effects can be used as separate statements, and this expression is also called an expression

1, if statement An If statement is an important feature in most languages, and it executes the program segment according to the conditions. PHP's If statement is similar to C: if (expr) Statement As discussed in an expression, expr is computed

Programming | control | Statement SIXTH Chapter CONTROL statement There is a statement that you can find in each programming language control flow statement. In this chapter, I introduce C # 's control statements, which are divided into two main

Conditional statement, which is a kind of statement that chooses to execute according to the condition in the program, the difficulty lies in how to abstract the condition accurately in the actual use of such statement. For example, to implement the

Can not underestimate this simple finally, seemingly simple problems behind, but hidden countless mystery. Next I will take you step-by-step to uncover this finally mysterious veil.Problem Analysisfirst of all, let me ask you a question: Finally

If,elseIf if, else is another meaning, if the condition is determined within the parentheses, if the condition is met, the IF statement executes the command and if it does not, the IF statement is not entered.The basic format:①if (...) Conditions

If-else statementcontrol Condition Branch.Grammar if (expression) statement1 [else Statement2] NoteIf the value of the expression is Non-zero, the statement1 is executed. If the option else exists, Statement2 is executed if the

Control | Statement > Sixth Chapter control statement (Rainbow translation) Source: http://www.informit.com/matter/ser0000002 Body: Sixth Chapter Control Statements There is a statement that you can find in each programming language control flow

Http://blog.chinaunix.net/uid/21411227/cid-63616-list-1.html1. Determine the file type –b Returns True when file exists and is block　　-C Returns True when file exists and is a character　　-D returns True when pathname exists and is a directory　　-E