paramhello01bd8da7-84b0-4f52-9f98-fd15f4dbc1a7

代碼如下：

//第一個閉包
def c1 = {
? ?v ->
? ? ? ?print v
}
//第二個閉包（不包含參數）
def c2 = {
? ?print 'hello'
}
//有參數'param'的閉包，千萬別導包
def method1(Closure closure){
? ?closure('param')
}
//不帶參數的閉包，千萬別導包
def method2(Closure closure){
? ?closure()
}
method1(c1)
method2(c2)