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/*
Java 2, v5.0 (Tiger) New Features
by Herbert Schildt
ISBN: 0072258543
Publisher: McGraw-Hill/Osborne, 2004
*/
import java.util.*;
public class NewStyle {
public static void main(String args[]) {
// Now, list holds references of type String.
ArrayList<String> list = new ArrayList<String>();
list.add("one");
list.add("two");
list.add("three");
list.add("four");
// Notice that Iterator is also generic.
Iterator<String> itr = list.iterator();
// The following statement will now cause a compile-time eror.
// Iterator<Integer> itr = list.iterator(); // Error!
while(itr.hasNext()) {
String str = itr.next(); // no cast needed
// Now, the following line is a compile-time,
// rather than runtime, error.
// Integer i = itr.next(); // this won't compile
System.out.println(str + " is " + str.length() + " chars long.");
}
}
}
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