Java: Out with the Old, In with the New

Question

Java is nearing version 7. It occurs to me that there must be plenty of textbooks and training manuals kicking around that teach methods based on older versions of Java, whe

Answer 1

Generics and no longer needing to create an iterator to go through all elements in a collection. The new version is much better, easier to use, and easier to understand.

EDIT:

Before:

List l = someList;
Iterator i = l.getIterator();
while (i.hasNext()) {
    MyObject o = (MyObject)i.next();
}

After

List l = someList;
for (MyObject o : l) {
    //do something
}