byteset.java

《Thinking in Java 4th Edition》 Source Code

//: generics/ByteSet.java
import java.util.*;

public class ByteSet {
  Byte[] possibles = { 1,2,3,4,5,6,7,8,9 };
  Set<Byte> mySet =
    new HashSet<Byte>(Arrays.asList(possibles));
  // But you can't do this:
  // Set<Byte> mySet2 = new HashSet<Byte>(
  //   Arrays.<Byte>asList(1,2,3,4,5,6,7,8,9));
} ///:~