diff --git a/classpath/java/lang/Boolean.java b/classpath/java/lang/Boolean.java
index 57137d24e8..21b75000f3 100644
--- a/classpath/java/lang/Boolean.java
+++ b/classpath/java/lang/Boolean.java
@@ -59,6 +59,10 @@ public final class Boolean implements Comparable<Boolean> {
     return value;
   }
 
+  public static boolean getBoolean(String name) {
+    return parseBoolean(System.getProperty(name));
+  }
+
   public static boolean parseBoolean(String string) {
     return string != null && string.equalsIgnoreCase("true");
   }
diff --git a/classpath/java/lang/Integer.java b/classpath/java/lang/Integer.java
index f5e4052904..fd0483fc37 100644
--- a/classpath/java/lang/Integer.java
+++ b/classpath/java/lang/Integer.java
@@ -122,4 +122,21 @@ public final class Integer extends Number implements Comparable<Integer> {
   public static int parseInt(String s, int radix) {
     return (int) Long.parseLong(s, radix);
   }
+
+  public static Integer decode(String string) {
+    if (string.startsWith("-")) {
+      if (string.startsWith("-0") || string.startsWith("-#")) {
+        return new Integer(-decode(string.substring(1)));
+      }
+    } else if (string.startsWith("0")) {
+      char c = string.length() < 2 ? (char)-1 : string.charAt(1);
+      if (c == 'x' || c == 'X') {
+        return new Integer(parseInt(string.substring(2), 0x10));
+      }
+      return new Integer(parseInt(string, 010));
+    } else if (string.startsWith("#")) {
+      return new Integer(parseInt(string.substring(1), 0x10));
+    }
+    return new Integer(parseInt(string, 10));
+  }
 }
diff --git a/classpath/java/lang/String.java b/classpath/java/lang/String.java
index d49a347f98..c209c62439 100644
--- a/classpath/java/lang/String.java
+++ b/classpath/java/lang/String.java
@@ -602,6 +602,9 @@ public final class String
   }
 
   public int lastIndexOf(int ch, int lastIndex) {
+    if (lastIndex >= length) {
+      lastIndex = length - 1;
+    }
     for (int i = lastIndex ; i >= 0; --i) {
       if (charAt(i) == ch) {
         return i;
diff --git a/classpath/java/lang/reflect/Method.java b/classpath/java/lang/reflect/Method.java
index 8f04e7bf2b..51a64c905c 100644
--- a/classpath/java/lang/reflect/Method.java
+++ b/classpath/java/lang/reflect/Method.java
@@ -138,4 +138,8 @@ public class Method<T> extends AccessibleObject implements Member {
   public Annotation[] getDeclaredAnnotations() {
     return getAnnotations();
   }
+
+  public boolean isVarArgs() {
+    return (getModifiers() & 0x80) != 0;
+  }
 }
diff --git a/classpath/java/util/Collections.java b/classpath/java/util/Collections.java
index c57c190a06..91fad0964b 100644
--- a/classpath/java/util/Collections.java
+++ b/classpath/java/util/Collections.java
@@ -245,6 +245,10 @@ public class Collections {
     }
   }
 
+  public static <V> Set<V> synchronizedSet(Set<V> set) {
+    return new SynchronizedSet<V> (new Object(), set);
+  }
+
   static class SynchronizedIterator<T> implements Iterator<T> {
     private final Object lock;
     private final Iterator<T> it;
@@ -655,4 +659,10 @@ public class Collections {
       return - cmp.compare(o1, o2);
     }
   }
+
+  public static <T> List<T> singletonList(T o) {
+    ArrayList<T> list = new ArrayList<T>(1);
+    list.add(o);
+    return new UnmodifiableList(list);
+  }
 }
diff --git a/classpath/java/util/Vector.java b/classpath/java/util/Vector.java
index e48ac52450..94ba9cbbe6 100644
--- a/classpath/java/util/Vector.java
+++ b/classpath/java/util/Vector.java
@@ -10,7 +10,7 @@
 
 package java.util;
 
-public class Vector<T> extends AbstractList<T> implements java.io.Serializable {
+public class Vector<T> extends AbstractList<T> implements java.io.Serializable, Cloneable {
   private final ArrayList<T> list;
 
   public Vector(int capacity) {
@@ -126,5 +126,12 @@ public class Vector<T> extends AbstractList<T> implements java.io.Serializable {
   public Enumeration<T> elements() {
     return new Collections.IteratorEnumeration(iterator());
   }
-  
+
+  public synchronized Object clone() {
+    Vector copy = new Vector(size());
+    for (T t : this) {
+      copy.add(t);
+    }
+    return copy;
+  }
 }
diff --git a/src/machine.cpp b/src/machine.cpp
index e8d60ce2fc..3bf59a6fe9 100644
--- a/src/machine.cpp
+++ b/src/machine.cpp
@@ -2512,7 +2512,11 @@ makeArrayClass(Thread* t, object loader, object spec, bool throw_,
     ++ s;
     const char* elementSpecStart = s;
     while (*s and *s != ';') ++ s;
-    
+    if (dimensions > 1) {
+      elementSpecStart -= dimensions;
+      ++ s;
+    }
+
     elementSpec = makeByteArray(t, s - elementSpecStart + 1);
     memcpy(&byteArrayBody(t, elementSpec, 0),
            &byteArrayBody(t, spec, elementSpecStart - start),
diff --git a/test/Integers.java b/test/Integers.java
index bbaa710351..7c977d6136 100644
--- a/test/Integers.java
+++ b/test/Integers.java
@@ -314,5 +314,11 @@ public class Integers {
 
     { int b = 0xBE; int x = 0; int y = 0xFF;
       expect(((b >>> x) & y) == 0xBE); }
+
+    expect(123 == Integer.decode("123").intValue());
+    expect(-123 == Integer.decode("-123").intValue());
+    expect(-83 == Integer.decode("-0123").intValue());
+    expect(-291 == Integer.decode("-0x123").intValue());
+    expect(291 == Integer.decode("#123").intValue());
   }
 }
diff --git a/test/Reflection.java b/test/Reflection.java
index f71b39e81b..23d34abf7e 100644
--- a/test/Reflection.java
+++ b/test/Reflection.java
@@ -67,5 +67,10 @@ public class Reflection {
 
     expect(7.0 == (Double) Reflection.class.getMethod
            ("doubleMethod").invoke(null));
+
+    Class[][] array = new Class[][] { { Class.class } };
+    expect("[Ljava.lang.Class;".equals(array[0].getClass().getName()));
+    expect(Class[].class == array[0].getClass());
+    expect(array.getClass().getComponentType() == array[0].getClass());
   }
 }
diff --git a/test/Strings.java b/test/Strings.java
index 30a85163c9..76815af535 100644
--- a/test/Strings.java
+++ b/test/Strings.java
@@ -203,6 +203,8 @@ public class Strings {
             System.getProperty("line.separator").getBytes())));
     }
 
+    expect("abc".lastIndexOf('b', 100) == 1);
+
     testTrivialPattern();
   }
 }