diff --git a/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TAbstractCollection.java b/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TAbstractCollection.java
index 9503de976..ea07cea09 100644
--- a/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TAbstractCollection.java
+++ b/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TAbstractCollection.java
@@ -15,6 +15,7 @@
  */
 package org.teavm.classlib.java.util;
 
+import java.lang.reflect.Array;
 import org.teavm.classlib.java.lang.TObject;
 import org.teavm.classlib.java.lang.TUnsupportedOperationException;
 
@@ -53,8 +54,21 @@ public abstract class TAbstractCollection<E> extends TObject implements TCollect
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     public <T> T[] toArray(T[] a) {
-        return null;
+        int size = size();
+        if (a.length < size) {
+            a = (T[])Array.newInstance(a.getClass().getComponentType(), size);
+        } else {
+            for (int i = size; i < a.length; ++i) {
+                a[i] = null;
+            }
+        }
+        int i = 0;
+        for (TIterator<E> iter = iterator(); iter.hasNext();) {
+            a[i++] = (T)iter.next();
+        }
+        return a;
     }
 
     @Override
diff --git a/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TAbstractList.java b/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TAbstractList.java
index 4468ca4df..ff31589a0 100644
--- a/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TAbstractList.java
+++ b/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TAbstractList.java
@@ -15,10 +15,427 @@
  */
 package org.teavm.classlib.java.util;
 
+import org.teavm.classlib.java.lang.TIllegalArgumentException;
+import org.teavm.classlib.java.lang.TIllegalStateException;
+import org.teavm.classlib.java.lang.TIndexOutOfBoundsException;
+import org.teavm.classlib.java.lang.TUnsupportedOperationException;
+
 /**
- * 
+ *
  * @author Alexey Andreev <konsoletyper@gmail.com>
  */
-public class TAbstractList {
+public abstract class TAbstractList<E> extends TAbstractCollection<E> implements TList<E> {
+    protected transient int modCount;
 
+    protected TAbstractList() {
+    }
+
+    @Override
+    public boolean add(E e) {
+        add(size(), e);
+        return true;
+    }
+
+    @Override
+    public TIterator<E> iterator() {
+        return new TIterator<E>() {
+            private int index;
+            private int modCount = TAbstractList.this.modCount;
+            private int size = size();
+            @Override public boolean hasNext() {
+                return index < size;
+            }
+            @Override public E next() {
+                checkConcurrentModification();
+                return get(index++);
+            }
+            @Override public void remove() {
+                TAbstractList.this.remove(index - 1);
+            }
+            private void checkConcurrentModification() {
+                if (modCount < TAbstractList.this.modCount) {
+                    throw new TConcurrentModificationException();
+                }
+            }
+        };
+    }
+
+    @Override
+    public boolean addAll(int index, TCollection<? extends E> c) {
+        if (index < 0 || index > size()) {
+            throw new TIllegalArgumentException();
+        }
+        if (c.isEmpty()) {
+            return false;
+        }
+        for (TIterator<? extends E> iter = c.iterator(); iter.hasNext();) {
+            add(index++, iter.next());
+        }
+        return true;
+    }
+
+    @Override
+    public E set(int index, E element) {
+        throw new TUnsupportedOperationException();
+    }
+
+    @Override
+    public void add(int index, E element) {
+        throw new TUnsupportedOperationException();
+    }
+
+    @Override
+    public E remove(int index) {
+        throw new TUnsupportedOperationException();
+    }
+
+    @Override
+    public int indexOf(Object o) {
+        int sz = size();
+        for (int i = 0; i < sz; ++i) {
+            Object e = get(i);
+            if (o == null ? e == null : o.equals(e)) {
+                return i;
+            }
+        }
+        return -1;
+    }
+
+    @Override
+    public int lastIndexOf(Object o) {
+        int sz = size();
+        for (int i = sz - 1; i >= 0; --i) {
+            Object e = get(i);
+            if (o == null ? e == null : o.equals(e)) {
+                return i;
+            }
+        }
+        return -1;
+    }
+
+    @Override
+    public void clear() {
+        removeRange(0, size());
+    }
+
+    @Override
+    public TListIterator<E> listIterator() {
+        return listIterator(0);
+    }
+
+    @Override
+    public TListIterator<E> listIterator(int index) {
+        return new TListIteratorImpl(index, modCount, size());
+    }
+
+    @Override
+    public TList<E> subList(int fromIndex, int toIndex) {
+        if (fromIndex > toIndex) {
+            throw new TIllegalArgumentException();
+        }
+        if (fromIndex < 0 || toIndex >= size()) {
+            throw new TIndexOutOfBoundsException();
+        }
+        if (this instanceof TRandomAccess) {
+            return new SubAbstractListRandomAccess<>(this, fromIndex, toIndex);
+        }
+        return new SubAbstractList<>(this, fromIndex, toIndex);
+
+    }
+
+    protected void removeRange(int start, int end) {
+        for (int i = start; i < end; i++) {
+            remove(i);
+        }
+    }
+
+    private class TListIteratorImpl implements TListIterator<E> {
+        private int i;
+        private int j;
+        private int lastModCount;
+        private int sz;
+        public TListIteratorImpl(int i, int lastModCount, int sz) {
+            this.i = i;
+            this.j = i;
+            this.lastModCount = lastModCount;
+            this.sz = sz;
+        }
+        @Override public boolean hasNext() {
+            return i < sz;
+        }
+        @Override public E next() {
+            checkConcurrentModification();
+            if (i == sz) {
+                throw new TNoSuchElementException();
+            }
+            j = i;
+            return get(i++);
+        }
+        @Override public void remove() {
+            if (j == -1) {
+                throw new TIllegalStateException();
+            }
+            checkConcurrentModification();
+            TAbstractList.this.remove(j);
+            --sz;
+            lastModCount = modCount;
+        }
+        @Override public boolean hasPrevious() {
+            return i > 0;
+        }
+        @Override public E previous() {
+            checkConcurrentModification();
+            j = i - 1;
+            if (j < 0) {
+                throw new TNoSuchElementException();
+            }
+            return get((i--) - 1);
+        }
+        @Override public int nextIndex() {
+            return i;
+        }
+        @Override public int previousIndex() {
+            return i - 1;
+        }
+        @Override public void set(E e) {
+            if (j == -1) {
+                throw new TIllegalStateException();
+            }
+            checkConcurrentModification();
+            TAbstractList.this.set(j, e);
+        }
+        @Override public void add(E e) {
+            if (j == -1) {
+                throw new TIllegalStateException();
+            }
+            TAbstractList.this.add(i++, e);
+            lastModCount = modCount;
+            j = -1;
+        }
+        private void checkConcurrentModification() {
+            if (lastModCount < modCount) {
+                throw new TConcurrentModificationException();
+            }
+        }
+    }
+
+    private static final class SubAbstractListRandomAccess<E> extends SubAbstractList<E> implements TRandomAccess {
+        SubAbstractListRandomAccess(TAbstractList<E> list, int start, int end) {
+            super(list, start, end);
+        }
+    }
+
+    private static class SubAbstractList<E> extends TAbstractList<E> {
+        private final TAbstractList<E> fullList;
+        private int offset;
+        private int size;
+
+        private static final class SubAbstractListIterator<E> implements TListIterator<E> {
+            private final SubAbstractList<E> subList;
+            private final TListIterator<E> iterator;
+            private int start;
+            private int end;
+
+            SubAbstractListIterator(TListIterator<E> it, SubAbstractList<E> list, int offset, int length) {
+                super();
+                iterator = it;
+                subList = list;
+                start = offset;
+                end = start + length;
+            }
+
+            @Override
+            public void add(E object) {
+                iterator.add(object);
+                subList.sizeChanged(true);
+                end++;
+            }
+
+            @Override
+            public boolean hasNext() {
+                return iterator.nextIndex() < end;
+            }
+
+            @Override
+            public boolean hasPrevious() {
+                return iterator.previousIndex() >= start;
+            }
+
+            @Override
+            public E next() {
+                if (iterator.nextIndex() < end) {
+                    return iterator.next();
+                }
+                throw new TNoSuchElementException();
+            }
+
+            @Override
+            public int nextIndex() {
+                return iterator.nextIndex() - start;
+            }
+
+            @Override
+            public E previous() {
+                if (iterator.previousIndex() >= start) {
+                    return iterator.previous();
+                }
+                throw new TNoSuchElementException();
+            }
+
+            @Override
+            public int previousIndex() {
+                int previous = iterator.previousIndex();
+                if (previous >= start) {
+                    return previous - start;
+                }
+                return -1;
+            }
+
+            @Override
+            public void remove() {
+                iterator.remove();
+                subList.sizeChanged(false);
+                end--;
+            }
+
+            @Override
+            public void set(E object) {
+                iterator.set(object);
+            }
+        }
+
+        SubAbstractList(TAbstractList<E> list, int start, int end) {
+            super();
+            fullList = list;
+            modCount = fullList.modCount;
+            offset = start;
+            size = end - start;
+        }
+
+        @Override
+        public void add(int location, E object) {
+            if (modCount == fullList.modCount) {
+                if (0 <= location && location <= size) {
+                    fullList.add(location + offset, object);
+                    size++;
+                    modCount = fullList.modCount;
+                } else {
+                    throw new TIndexOutOfBoundsException();
+                }
+            } else {
+                throw new TConcurrentModificationException();
+            }
+        }
+
+        @Override
+        public boolean addAll(int location, TCollection<? extends E> collection) {
+            if (modCount == fullList.modCount) {
+                if (0 <= location && location <= size) {
+                    boolean result = fullList.addAll(location + offset, collection);
+                    if (result) {
+                        size += collection.size();
+                        modCount = fullList.modCount;
+                    }
+                    return result;
+                }
+                throw new TIndexOutOfBoundsException();
+            }
+            throw new TConcurrentModificationException();
+        }
+
+        @Override
+        public boolean addAll(TCollection<? extends E> collection) {
+            if (modCount == fullList.modCount) {
+                boolean result = fullList.addAll(offset + size, collection);
+                if (result) {
+                    size += collection.size();
+                    modCount = fullList.modCount;
+                }
+                return result;
+            }
+            throw new TConcurrentModificationException();
+        }
+
+        @Override
+        public E get(int location) {
+            if (modCount == fullList.modCount) {
+                if (0 <= location && location < size) {
+                    return fullList.get(location + offset);
+                }
+                throw new IndexOutOfBoundsException();
+            }
+            throw new TConcurrentModificationException();
+        }
+
+        @Override
+        public TIterator<E> iterator() {
+            return listIterator(0);
+        }
+
+        @Override
+        public TListIterator<E> listIterator(int location) {
+            if (modCount == fullList.modCount) {
+                if (0 <= location && location <= size) {
+                    return new SubAbstractListIterator<>(fullList.listIterator(location + offset), this, offset, size);
+                }
+                throw new TIndexOutOfBoundsException();
+            }
+            throw new TConcurrentModificationException();
+        }
+
+        @Override
+        public E remove(int location) {
+            if (modCount == fullList.modCount) {
+                if (0 <= location && location < size) {
+                    E result = fullList.remove(location + offset);
+                    size--;
+                    modCount = fullList.modCount;
+                    return result;
+                }
+                throw new IndexOutOfBoundsException();
+            }
+            throw new TConcurrentModificationException();
+        }
+
+        @Override
+        protected void removeRange(int start, int end) {
+            if (start != end) {
+                if (modCount == fullList.modCount) {
+                    fullList.removeRange(start + offset, end + offset);
+                    size -= end - start;
+                    modCount = fullList.modCount;
+                } else {
+                    throw new TConcurrentModificationException();
+                }
+            }
+        }
+
+        @Override
+        public E set(int location, E object) {
+            if (modCount == fullList.modCount) {
+                if (0 <= location && location < size) {
+                    return fullList.set(location + offset, object);
+                }
+                throw new TIndexOutOfBoundsException();
+            }
+            throw new TConcurrentModificationException();
+        }
+
+        @Override
+        public int size() {
+            if (modCount == fullList.modCount) {
+                return size;
+            }
+            throw new TConcurrentModificationException();
+        }
+
+        void sizeChanged(boolean increment) {
+            if (increment) {
+                size++;
+            } else {
+                size--;
+            }
+            modCount = fullList.modCount;
+        }
+    }
 }
diff --git a/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TArrayList.java b/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TArrayList.java
new file mode 100644
index 000000000..4837f169a
--- /dev/null
+++ b/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TArrayList.java
@@ -0,0 +1,172 @@
+/*
+ *  Copyright 2014 Alexey Andreev.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.teavm.classlib.java.util;
+
+import java.util.Arrays;
+import org.teavm.classlib.java.io.TSerializable;
+import org.teavm.classlib.java.lang.*;
+
+/**
+ *
+ * @author Alexey Andreev <konsoletyper@gmail.com>
+ */
+public class TArrayList<E> extends TAbstractList<E> implements TCloneable, TSerializable {
+    private E[] array;
+    private int size;
+
+    public TArrayList() {
+        this(10);
+    }
+
+    @SuppressWarnings("unchecked")
+    public TArrayList(int initialCapacity) {
+        array = (E[])new Object[initialCapacity];
+    }
+
+    public TArrayList(TCollection<? extends E> c) {
+        this(c.size());
+        TIterator<? extends E> iter = c.iterator();
+        for (int i = 0; i < array.length; ++i) {
+            array[i] = iter.next();
+        }
+    }
+
+    public void trimToSize() {
+        array = Arrays.copyOf(array, size);
+    }
+
+    public void ensureCapacity(int minCapacity) {
+        if (array.length < minCapacity) {
+            array = TArrays.copyOf(array, array.length + TMath.min(5, array.length / 2));
+        }
+    }
+
+    @Override
+    public E get(int index) {
+        checkIndex(index);
+        return array[index];
+    }
+
+    @Override
+    public int size() {
+        return size;
+    }
+
+    @Override
+    public TObject clone() {
+        return new TArrayList<>(this);
+    }
+
+    @Override
+    public E set(int index, E element) {
+        checkIndex(index);
+        E old = array[index];
+        array[index] = element;
+        return old;
+    }
+
+    @Override
+    public void add(int index, E element) {
+        checkIndexForAdd(index);
+        ensureCapacity(size + 1);
+        for (int i = size; i > index; --i) {
+            array[i] = array[i - 1];
+        }
+        array[index] = element;
+        ++modCount;
+    }
+
+    @Override
+    public E remove(int index) {
+        checkIndex(index);
+        E old = array[index];
+        --size;
+        for (int i = index; i < size; ++i) {
+            array[i] = array[i + 1];
+        }
+        array[size] = null;
+        ++modCount;
+        return old;
+    }
+
+    @Override
+    public boolean remove(Object o) {
+        int index = indexOf(o);
+        if (index >= 0) {
+            remove(index);
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    @Override
+    public void clear() {
+        Arrays.fill(array, 0, size, null);
+        size = 0;
+    }
+
+    @Override
+    public boolean addAll(int index, TCollection<? extends E> c) {
+        checkIndexForAdd(index);
+        if (c.isEmpty()) {
+            return false;
+        }
+        ensureCapacity(size + c.size());
+        int gap = c.size();
+        size += gap;
+        for (int i = gap - 1; i > index; --i) {
+            array[i] = array[i - gap];
+        }
+        TIterator<? extends E> iter = c.iterator();
+        for (int i = 0; i < gap; ++i) {
+            array[index++] = iter.next();
+        }
+        ++modCount;
+        return true;
+    }
+
+    @Override
+    protected void removeRange(int start, int end) {
+        if (start > end) {
+            throw new TIllegalArgumentException();
+        }
+        if (start < 0 || end > size) {
+            throw new TIndexOutOfBoundsException();
+        }
+        if (start == end) {
+            return;
+        }
+        for (int i = end; i < size; ++i) {
+            array[start++] = array[end++];
+        }
+        Arrays.fill(array, start, end, null);
+        size -= end - start;
+        ++modCount;
+    }
+
+    private void checkIndex(int index) {
+        if (index < 0 || index >= size) {
+            throw new TIndexOutOfBoundsException();
+        }
+    }
+
+    private void checkIndexForAdd(int index) {
+        if (index < 0 || index > size) {
+            throw new TIndexOutOfBoundsException();
+        }
+    }
+}
diff --git a/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TArrays.java b/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TArrays.java
index ce1b6d3ba..9cc2a55d3 100644
--- a/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TArrays.java
+++ b/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TArrays.java
@@ -15,10 +15,7 @@
  */
 package org.teavm.classlib.java.util;
 
-import org.teavm.classlib.java.lang.TMath;
-import org.teavm.classlib.java.lang.TObject;
-import org.teavm.classlib.java.lang.TString;
-import org.teavm.classlib.java.lang.TStringBuilder;
+import org.teavm.classlib.java.lang.*;
 
 /**
  *
@@ -43,6 +40,16 @@ public class TArrays extends TObject {
         return result;
     }
 
+    public static <T> T[] copyOf(T[] original, int newLength) {
+        @SuppressWarnings("unchecked")
+        T[] result = (T[])new Object[newLength];
+        int sz = TMath.min(newLength, original.length);
+        for (int i = 0; i < sz; ++i) {
+            result[i] = original[i];
+        }
+        return result;
+    }
+
     public static TString toString(TObject[] a) {
         TStringBuilder sb = new TStringBuilder();
         sb.append(TString.wrap("["));
@@ -159,4 +166,20 @@ public class TArrays extends TObject {
         sb.append(TString.wrap("]"));
         return TString.wrap(sb.toString());
     }
+
+    public static void fill(TObject[] a, int fromIndex, int toIndex, TObject val) {
+        if (fromIndex > toIndex) {
+            throw new TIllegalArgumentException();
+        }
+        if (fromIndex < 0 || toIndex > a.length) {
+            throw new TIndexOutOfBoundsException();
+        }
+        while (fromIndex < toIndex) {
+            a[fromIndex++] = val;
+        }
+    }
+
+    public static void fill(TObject[] a, TObject val) {
+        fill(a, 0, a.length, val);
+    }
 }
diff --git a/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TList.java b/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TList.java
index c297f20bb..2abc4789b 100644
--- a/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TList.java
+++ b/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TList.java
@@ -15,13 +15,11 @@
  */
 package org.teavm.classlib.java.util;
 
-import org.teavm.classlib.java.lang.TObject;
-
 /**
  *
  * @author Alexey Andreev <konsoletyper@gmail.com>
  */
-public interface TList<E extends TObject> extends TCollection<E> {
+public interface TList<E> extends TCollection<E> {
     boolean addAll(int index, TCollection<? extends E> c);
 
     E get(int index);
diff --git a/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TListIterator.java b/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TListIterator.java
index addc83a83..90d2f0531 100644
--- a/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TListIterator.java
+++ b/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TListIterator.java
@@ -15,13 +15,11 @@
  */
 package org.teavm.classlib.java.util;
 
-import org.teavm.classlib.java.lang.TObject;
-
 /**
  *
  * @author Alexey Andreev <konsoletyper@gmail.com>
  */
-public interface TListIterator<E extends TObject> extends TIterator<E> {
+public interface TListIterator<E> extends TIterator<E> {
     boolean hasPrevious();
 
     E previous();
diff --git a/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TNoSuchElementException.java b/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TNoSuchElementException.java
new file mode 100644
index 000000000..a51a92655
--- /dev/null
+++ b/teavm-classlib/src/main/java/org/teavm/classlib/java/util/TNoSuchElementException.java
@@ -0,0 +1,35 @@
+/*
+ *  Copyright 2014 Alexey Andreev.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.teavm.classlib.java.util;
+
+import org.teavm.classlib.java.lang.TRuntimeException;
+import org.teavm.classlib.java.lang.TString;
+
+/**
+ *
+ * @author Alexey Andreev <konsoletyper@gmail.com>
+ */
+public class TNoSuchElementException extends TRuntimeException {
+    private static final long serialVersionUID = -4890604137042866919L;
+
+    public TNoSuchElementException() {
+        super();
+    }
+
+    public TNoSuchElementException(TString message) {
+        super(message);
+    }
+}