--- old/src/share/classes/javax/annotation/processing/AbstractProcessor.java	2013-03-26 17:15:08.000000000 -0700
+++ new/src/share/classes/javax/annotation/processing/AbstractProcessor.java	2013-03-26 17:15:08.000000000 -0700
@@ -28,6 +28,7 @@
 import java.util.Set;
 import java.util.HashSet;
 import java.util.Collections;
+import java.util.Objects;
 import javax.lang.model.element.*;
 import javax.lang.model.SourceVersion;
 import javax.tools.Diagnostic;
@@ -146,8 +147,7 @@
     public synchronized void init(ProcessingEnvironment processingEnv) {
         if (initialized)
             throw new IllegalStateException("Cannot call init more than once.");
-        if (processingEnv == null)
-            throw new NullPointerException("Tool provided null ProcessingEnvironment");
+        Objects.requireNonNull(processingEnv, "Tool provided null ProcessingEnvironment");
 
         this.processingEnv = processingEnv;
         initialized = true;