関連ワード:  convert list to array java 8    convert list to string array java 8    convert list to int array java 8    convert list of integer to array in java 8    convert object array to list java 8    convert char array to list java 8    convert array to list using java 8    convert list of object to string array in java 8    convert list of object array to map in java 8    convert string array to integer list java 8