package btp.oneP; import java.util.Arrays; import java.util.HashSet; import java.util.Set; public class Byteset { Byte[] possibles = {1,2,3,4,5,6,7,8,9}; Set myset = new HashSet(Arrays.asList(possibles)); Set myset2 = new HashSet(Arrays.asList(new Byte[]{1,2,3,4,5,6,7,8,9})); //The parameterized method asList(Byte...) of type Arrays is not applicable for the arguments (Integer, Integer, Integer, Integer, Integer, Integer, Integer, Integer, Integer) //Set myset3 = new HashSet(Arrays.asList(1,2,3,4,5,6,7,8,9)); }