From 69f1024887b27cdd0989c56b90238ac4cfc0f123 Mon Sep 17 00:00:00 2001
From: Joel Dice <git@seibutsu.mailsnare.net>
Date: Wed, 14 Nov 2007 09:32:36 -0700
Subject: [PATCH] add missing classpath methods

---
 classpath/java/lang/Enum.java       | 2 +-
 classpath/java/util/Arrays.java     | 4 ++++
 classpath/java/util/LinkedList.java | 9 ++++++++-
 classpath/java/util/List.java       | 2 ++
 classpath/java/util/Vector.java     | 4 ++++
 5 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/classpath/java/lang/Enum.java b/classpath/java/lang/Enum.java
index 7d8ab4fc71..8c86db2e13 100644
--- a/classpath/java/lang/Enum.java
+++ b/classpath/java/lang/Enum.java
@@ -2,7 +2,7 @@ package java.lang;
 
 import java.lang.reflect.Method;
 
-public abstract class Enum<E extends Enum<E>> {
+public abstract class Enum<E extends Enum<E>> implements Comparable<E> {
   private final String name;
   private final int ordinal;
 
diff --git a/classpath/java/util/Arrays.java b/classpath/java/util/Arrays.java
index 204c18548e..ce59ec22b1 100644
--- a/classpath/java/util/Arrays.java
+++ b/classpath/java/util/Arrays.java
@@ -42,6 +42,10 @@ public class Arrays {
         return array[index];
       }
 
+      public T set(int index, T value) {
+        throw new UnsupportedOperationException();
+      }
+
       public <S> S[] toArray(S[] a) {
         return (S[])array;
       }
diff --git a/classpath/java/util/LinkedList.java b/classpath/java/util/LinkedList.java
index a78c42fa24..7d98ef847c 100644
--- a/classpath/java/util/LinkedList.java
+++ b/classpath/java/util/LinkedList.java
@@ -114,7 +114,7 @@ public class LinkedList<T> implements List<T> {
       addFirst(element);
     } else {
       Cell<T> cell = find(index);
-      Cell<T> newCell = new Cell<T>(element, cell.prev, cell);
+      Cell<T> newCell = new Cell(element, cell.prev, cell);
       cell.prev.next = newCell;
     }
   }
@@ -131,6 +131,13 @@ public class LinkedList<T> implements List<T> {
     return find(index).value;
   }
 
+  public T set(int index, T value) {
+    Cell<T> c = find(index);
+    T old = c.value;
+    c.value = value;
+    return old;
+  }
+
   public T getFirst() {
     if (front != null) {
       return front.value;
diff --git a/classpath/java/util/List.java b/classpath/java/util/List.java
index 0c679415a8..40de8330cd 100644
--- a/classpath/java/util/List.java
+++ b/classpath/java/util/List.java
@@ -3,6 +3,8 @@ package java.util;
 public interface List<T> extends Collection<T> {
   public T get(int index);
 
+  public T set(int index, T value);
+
   public T remove(int index);
 
   public boolean add(T element);
diff --git a/classpath/java/util/Vector.java b/classpath/java/util/Vector.java
index 6f3dfb1973..8b8a9970ab 100644
--- a/classpath/java/util/Vector.java
+++ b/classpath/java/util/Vector.java
@@ -42,6 +42,10 @@ public class Vector<T> implements List<T> {
     return list.get(index);
   }
 
+  public synchronized T set(int index, T value) {
+      return list.set(index, value);
+  }
+
   public T elementAt(int index) {
     return get(index);
   }