Groovy: Not (!) operator

Not operator is represented by !, it is used to evaluate the boolean expressions.

HelloWorld.groovy

a = true

if(!a){
	println "a is evaluated to false"
}else{
	println "a is evaluated to true"
}

b = ""

if(!b){
	println "b is an empty string"
}else{
	println "b is not an empty string"
}

Output

a is evaluated to true

b is an empty string

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