From 3b3101d8b5ae4f08a16c0b7111da6cad41bbd282 Mon Sep 17 00:00:00 2001
From: mark <mark@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 15 Nov 2005 23:20:01 +0000
Subject:        Imported GNU Classpath 0.19 + gcj-import-20051115.        *
 sources.am: Regenerated.        * Makefile.in: Likewise.        *
 scripts/makemake.tcl: Use glob -nocomplain.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@107049 138bc75d-0d04-0410-961f-82ee72b054a4
---
 libjava/classpath/java/lang/Byte.java | 32 +++++++++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

(limited to 'libjava/classpath/java/lang/Byte.java')

diff --git a/libjava/classpath/java/lang/Byte.java b/libjava/classpath/java/lang/Byte.java
index 338e2167aa1..2560bfcffc3 100644
--- a/libjava/classpath/java/lang/Byte.java
+++ b/libjava/classpath/java/lang/Byte.java
@@ -50,7 +50,7 @@ package java.lang;
  * @author Per Bothner
  * @author Eric Blake (ebb9@email.byu.edu)
  * @since 1.1
- * @status updated to 1.4
+ * @status updated to 1.5
  */
 public final class Byte extends Number implements Comparable
 {
@@ -77,6 +77,16 @@ public final class Byte extends Number implements Comparable
    */
   public static final Class TYPE = VMClassLoader.getPrimitiveClass('B');
 
+  /**
+   * The number of bits needed to represent a <code>byte</code>.
+   * @since 1.5
+   */
+  public static final int SIZE = 8;
+
+  // This caches Byte values, and is used by boxing conversions via
+  // valueOf().  We're required to cache all possible values here.
+  private static Byte[] byteCache = new Byte[MAX_VALUE - MIN_VALUE + 1];
+
   /**
    * The immutable value of this Byte.
    *
@@ -192,6 +202,26 @@ public final class Byte extends Number implements Comparable
   }
 
   /**
+   * Returns a <code>Byte</code> object wrapping the value.
+   * In contrast to the <code>Byte</code> constructor, this method
+   * will cache some values.  It is used by boxing conversion.
+   *
+   * @param val the value to wrap
+   * @return the <code>Byte</code>
+   * 
+   * @since 1.5
+   */
+  public static Byte valueOf(byte val)
+  {
+    synchronized (byteCache)
+      {
+    if (byteCache[val - MIN_VALUE] == null)
+      byteCache[val - MIN_VALUE] = new Byte(val);
+    return byteCache[val - MIN_VALUE];
+      }
+  }
+
+ /**
    * Convert the specified <code>String</code> into a <code>Byte</code>.
    * The <code>String</code> may represent decimal, hexadecimal, or
    * octal numbers.
-- 
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