println("hello groovy");
println("hello groovy")
println "hello groovy"
println 'hello groovy'
def i = 18 println i
def list = ['a','b'] //往list中添加元素 list << 'c' //取出list中第三个元素 println list.get(2)
def map = ['key1':'value1','key2':'value2'] //向map中添加键值对 map.key3 = 'value3' //打印出key3的值 println map.get('key3')
def b1 = { println 'hello b1' }
def method1(Closure closure){ closure() }
method1(b1)
def b2 = { v -> println "hello ${v}" }
def method2(Closure closure){ closure("xiao ma") }
method2(b2)