Sure! Adding an element to an array in Groovy can be done in a few different ways. Here are some examples:
1. Using the + operator:
def myArray = [1, 2, 3]
myArray = myArray + 4
println myArray // Prints [1, 2, 3, 4]
2. Using the << operator:
def myArray = [1, 2, 3]
myArray << 4
println myArray // Prints [1, 2, 3, 4]
3. Using the add() method:
def myArray = [1, 2, 3]
myArray.add(4)
println myArray // Prints [1, 2, 3, 4]
I hope that helps! Let me know if you have any questions.