7.3 Powershell Conditions Loops Arrays

Question 1

If Statement

Answer 1

Contains a boolean expression followed by one or more statements
if(bool expression) {
//Statements execute if bool expression is true
}

Question 2

If Else

Answer 2

if(bool expression){
//Executes if true
} else{
//Executes if false
}

Question 3

If Elseif Else

Answer 3

if(Boolean_expression 1) {
// Executes when the Boolean expression 1 is true
}elseif(Boolean_expression 2) {
// Executes when the Boolean expression 2 is true
}elseif(Boolean_expression 3) {
// Executes when the Boolean expression 3 is true
}else {
// Executes when the none of the above condition is true.
}

Question 4

Switch

Answer 4

A switch statement allows a variable to be tested for equality against a list of values. Each value is called a case, and the variable being switched on is checked for each case.

Question 5

Loops

Answer 5

For Loop - Execute a sequence of statements multiple times and abbreviates the code that manages the loop variable
ForEach Loop - Used to traverse arrays
While Loop - Repeats a statement while a condition is true
do..While Loop - Like a while loop but tests the condition at the end of the loop body

Question 6

Array

Answer 6

Arrays store collections of data or variables or objects