Question

How to find if value exist in map with Groovy

Answer 1

def map = [name: "Groovy", age: 13, country: "United States", city: "New York"]
 
def f = map.find{it.value == "New York"}
println f

f = map.find{it.value == "LA"}
println f
 
  
  
  
/*
run:
  
city=New York
null
  
*/

 

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Answer 2

def map = [name: "Groovy", age: 13, country: "United States", city: "New York"]
 
def f = map.find{it.value == "New York"}?.value
println f

f = map.find{it.value == "LA"}?.value
println f
 
  
  
  
/*
run:
  
New York
null
  
*/

 

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