输入:
public static void main(String[] args) {
Set set=new HashSet();
set.add(new Light(1,8,7,7));
set.add(new Light(2,9,9,9));
set.add(new Light(3,8,8,8));
set.add(new Light(4,3,7,6));
set.add(new Light(5,7,5,9));
Iterator it=set.iterator() ;
while (it.hasNext()) {
System.out.println(it.next());
}
}
控制台输出:
MyClass.Light@70dea4e
MyClass.Light@15db9742
MyClass.Light@6d06d69c
MyClass.Light@4e25154f