class Person{ def name def age def toString() { "${name}, Alter: ${age}" } } def personen = [new Person(name: "Alice", age: 20), new Person(name: "Bob", age: 18), new Person(name: "Charlie", age: 30), new Person(name: "David", age: 15), new Person(name: "Eve", age: 21)] personen.each{println it} def sum = 0 for (i in 1..10) { sum += i } println("Summe der Zahlen von 1-10: ${sum}")