groovy支持函数重载
def printSomething(param){
println param
}
def printSomething(param01,param02){
println param01+" "+param02
}
printSomething("hello")
printSomething("hello","world")
def printSomething(param){
println param
}
def printSomething(param01,param02){
println param01+" "+param02
}
printSomething("hello")
printSomething("hello","world")