--- old/src/java.desktop/share/classes/java/awt/image/ColorModel.java	2016-04-13 13:49:42.731441000 +0530
+++ new/src/java.desktop/share/classes/java/awt/image/ColorModel.java	2016-04-13 13:49:42.135143000 +0530
@@ -31,7 +31,7 @@
 import sun.java2d.cmm.CMSManager;
 import sun.java2d.cmm.ColorTransform;
 import sun.java2d.cmm.PCMM;
-import java.awt.Toolkit;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.Map;
 import java.util.WeakHashMap;
@@ -1449,6 +1449,7 @@
      * is an instance of {@code ColorModel} and equals this
      * {@code ColorModel}; {@code false} otherwise.
      */
+    @Override
     public boolean equals(Object obj) {
         if (!(obj instanceof ColorModel)) {
             return false;
@@ -1487,23 +1488,16 @@
      *
      * @return    a hash code for this ColorModel.
      */
+    @Override
     public int hashCode() {
-
-        int result = 0;
-
-        result = (supportsAlpha ? 2 : 3) +
-                 (isAlphaPremultiplied ? 4 : 5) +
-                 pixel_bits * 6 +
-                 transparency * 7 +
-                 numComponents * 8;
-
-        if (nBits != null) {
-            for (int i = 0; i < numComponents; i++) {
-                result = result + nBits[i] * (i + 9);
-            }
-        }
-
-        return result;
+        int hash = 7;
+        hash = 89 * hash + this.pixel_bits;
+        hash = 89 * hash + Arrays.hashCode(this.nBits);
+        hash = 89 * hash + this.transparency;
+        hash = 89 * hash + (this.supportsAlpha ? 1 : 0);
+        hash = 89 * hash + (this.isAlphaPremultiplied ? 1 : 0);
+        hash = 89 * hash + this.numComponents;
+        return hash;
     }
 
     /**