Conditional statements are controlled if if and else keywords.
if Statement
An if statement consists of a Boolean expression followed by one or more statements.
Syntax The syntax of an ‘if’ statement is as follows.
if(Boolean_expression) {
// Statements will execute if the Boolean expression is true
}
Example:
object Hello {
def main(args: Array[String]) {
var x = 5;
if( x < 10 ){
println("If condition is true");
}
}
}
If-else Statement
An if statement can be followed by an optional else statement, which executes when the Boolean expression is false.
Syntax
The syntax of an if...else is ?
if(Boolean_expression){
//Executes when the Boolean expression is true
} else{
//Executes when the Boolean expression is false
}
Example:
object Hello {
def main(args: Array[String]) {
var x = 5;
if( x < 10 ){
println("If condition is true");
} else {
println("If condition is false");
}
}
}
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