A colleague used findbugs to find these small fixes to useless boxing:

diff --git a/src/java.base/share/classes/java/text/ChoiceFormat.java b/src/java.base/share/classes/java/text/ChoiceFormat.java
--- a/src/java.base/share/classes/java/text/ChoiceFormat.java
+++ b/src/java.base/share/classes/java/text/ChoiceFormat.java
@@ -212,7 +212,7 @@
                 } else if (tempBuffer.equals("-\u221E")) {
                     startValue = Double.NEGATIVE_INFINITY;
                 } else {
- startValue = Double.valueOf(tempBuffer);
+ startValue = Double.parseDouble(tempBuffer);
                 }
 
                 if (ch == '<' && startValue != Double.POSITIVE_INFINITY &&
diff --git a/src/java.logging/share/classes/java/util/logging/Logger.java b/src/java.logging/share/classes/java/util/logging/Logger.java
--- a/src/java.logging/share/classes/java/util/logging/Logger.java
+++ b/src/java.logging/share/classes/java/util/logging/Logger.java
@@ -640,7 +640,7 @@
                     return System.getProperty(key);
                 }
             });
- return Boolean.valueOf(s);
+ return Boolean.parseBoolean(s);
         }
     }