我需要将可变列表对象转换为不可变列表。java中可能的方式是什么？publicvoidaction(){ListmutableList=Arrays.asList(newMutableClass("san","UK",21),newMutableClass("peter","US",34));ListimmutableList=immutateList(mutableList);}publicListimmutateList(ListmutableList){//somecodeheretomakethisbeanListimmutable//ie.objectsandsizeofbe

我需要将可变列表对象转换为不可变列表。java中可能的方式是什么？publicvoidaction(){ListmutableList=Arrays.asList(newMutableClass("san","UK",21),newMutableClass("peter","US",34));ListimmutableList=immutateList(mutableList);}publicListimmutateList(ListmutableList){//somecodeheretomakethisbeanListimmutable//ie.objectsandsizeofbe