简单的groovy使用
class Account { def number; def balance ; def display(){ println "Account:${number} ${balance}"; } } class Student { def display(){ println "Student:${regiser} ${name}"; } def regiser; def name ; } def group = [new Account(number:222222,balance:22222),new Student(regiser:"郝启敏",name:"ln")]; group.each{item->item.display();}