@Override
public ListIterator<T> listIterator(int index) {
MyIterator it = new MyIterator();
for (int i = 0; i < index; ++i) {
it.next();
}
return it;
}
public void find() {
int aMinSpread = Integer.MAX_VALUE;
while (fIt.hasNext()) {
HasSpread aNext = fIt.next();
int aSpread = aNext.getSpread();
if (aSpread < aMinSpread) {
aMinSpread = aSpread;
fMinSpread = aNext;
}
}
}
@JExercise(
tests = "MyIterator iterator()",
description =
"The iterator method returns an instance of MyIterator that iterates over all the elements in this List.")
public void testIterator() {
addStrings();
MyIterator it = list.iterator();
for (int i = 0; i < strings.length; i++) {
boolean isLast = (i == strings.length - 1);
assertTrue(it.hasNext());
assertEquals(list.get(i), it.next());
assertEquals(!isLast, it.hasNext());
}
assertFalse(it.hasNext());
}
public ComparableList<Value> execute(Expr expr, ArrayList<MyIterator> iterators, BoolExpr bool) {
mList = new ComparableList<Value>();
if (iterators.isEmpty()) {
if (bool == null || bool.eval()) {
mList.add(expr.eval()); // TODO auswerten
}
return mList;
}
MyIterator myIt = iterators.get(0);
Value val = myIt.getExpr().eval();
iterators.remove(0);
if (val instanceof SetOrList) {
SetOrList sol = (SetOrList) val;
Iterator<Value> it = sol.iterator();
while (it.hasNext()) {
Environment.putValue(myIt.getVariable(), it.next());
mList.addAll(execute(expr, iterators, bool));
}
return mList;
} else {
throw new RuntimeException();
}
}
