?? ex25(2).java
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// arrays/Ex25.java
// TIJ4 Chapter Arrays, Exercise 25, page 789
// Rewrite PythonLists.py in Java.
import java.util.*;
import static net.mindview.util.Print.*;
class MyList extends ArrayList<T> {
List myList = new ArrayList();
MyList(List l) { myList = l; }
@SuppressWarnings("unchecked")
MyList getReversed() {
ListIterator lit = myList.listIterator(myList.size());
List reverseMyList = new ArrayList();
while(lit.hasPrevious()) {
reverseMyList.add(lit.previous());
}
return new MyList(reverseMyList);
}
}
public class Ex25 {
public static void main(String[] args) {
List<Integer> aList =
new ArrayList<Integer>(Arrays.asList(1,2,3,4,5));
print(aList);
print(aList.get(4));
aList.add(new Integer(6));
aList.addAll(new ArrayList<Integer>(Arrays.asList(7,8)));
print(aList);
print(aList.subList(2,4));
MyList ml = new MyList(aList);
print((ml.getReversed()).myList);
}
}
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