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Layer 3
It combines switching and routing
It can work at multiple OSI layers at the same time.
It's a module included in the Catalyst Multilayer switches (eg: 5000,6000 series) to act as a 3rd layer device.Route Switch Module.
In some languages and programming environments, a case or switch statement is considered easier to read and maintain than an equivalent series of if-else statements, because it is more concise. However, when implemented with fall-through, switch statements are a frequent source of bugs among programmers new to the switch statement.
Statements doesn't have prototypes, functions do.
Control statements are statements that alter the flow of execution according to the evaluation of an expression (the condition). The C++ control statements are ifstatements, switch statements and the tertiary conditional operator, ?:.
A Switch statement can be considered as a series of if. else if. else statements. whatever condition is satisfied, the code block would get executed. if (cond 1) { } else if (cond 2) { } else if (cond 3) { } ...... } else if (cond N) { } else { } switch { case 1: .... case 2: .... .... case N: ... default: ... } Difference: In the if else blocks, if one condition is satisfied, all other blocks are ignored In Switch blocks, unless you have break statements inside each condition block, the subsequent blocks would not be ignored.
You have to include the two statements ...
As many as you like. Its unlimited. :)
I really think this is not possible.
Switch Statements are used to generate different outputs of code based on the value of an expression. Switch Statements work as follows:{randomNumber = floor(random(3))+1;switch(randomNumber) {case 1: { } break;case 2: { } break;case 3: { } break;default: { } break;}}This may seem confusing if you are new to GML, so I will give an in-depth explanation. The first line sets the variable randomNumber to a random number between 0 and 2, and adds it by 1 to make it a random number from 1-3. So far the only thing that has gone on in the code is to set a variable to either 1, 2, or 3. This is where the switch statement comes in.switch(randomNumber) {case 1: { } break;case 2: { } break;case 3: { } break;default: { } break;}this is the actual switch statement. You may be wondering what the case statements are for. case statements are always written inside switch statements and do nothing anywhere else. case statements activate when the expression in the switch statement is the same as the value that they are assigned to. Take a look at this switch statement:{rand = floor(random(3));switch(rand) {case 0: {show_message("The Random Value Was 0");} break;case 1: {show_message("The Random Value Was 1");} break;case 2: {show_message("The Random Value Was 2");} break;}} When the values assigned to the case statements are equal to the expression in the switch statement, the case statement will run the code contained in it's brackets. break statements order the switch statement to abort. The reason that you need break statements inside a switch statement is because it keeps the other cases from activating as well. (When one case statement activates, the others do as well.)A final briefing on switch statements is that they are not limited to variables. Take a look at this switch statement.{switch(obj_block.x > x) {case true: {show_message("The Block Is Ahead Of You.");} break;case false: {show_message("You Are Ahead Of The Block.");} break;}} This switch statement returns a true or false value, and the case statements operate accordingly.