Simon Hunt

Make DefaultHashMap class final.

Change-Id: Ia651b5aa098b584559e5ef2556dcac3178da615b
...@@ -21,10 +21,10 @@ import java.util.HashMap; ...@@ -21,10 +21,10 @@ import java.util.HashMap;
21 /** 21 /**
22 * HashMap that returns a default value for unmapped keys. 22 * HashMap that returns a default value for unmapped keys.
23 */ 23 */
24 -public class DefaultHashMap<K, V> extends HashMap<K, V> { 24 +public final class DefaultHashMap<K, V> extends HashMap<K, V> {
25 25
26 /** Default value to return when no key binding exists. */ 26 /** Default value to return when no key binding exists. */
27 - protected V defaultValue; 27 + protected final V defaultValue;
28 28
29 /** 29 /**
30 * Constructs an empty map with the given default value. 30 * Constructs an empty map with the given default value.
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