Apply some static code analysis recommendations

Fix a batch of code inspection recommendations generated by IntelliJ 14.1.5.

Categories of fix,

  Unnecessary public modifier in interface
  Replace filter+size with count
  Replace filter+nonEmpty with exists
  Replace filter+headOption with find
  Replace `if (x != null) Some(x) else None` with Option(x)
  Replace getOrElse null with orNull
  Drop redundant semicolons
  Replace anon fun with PF
  Replace anon fun with method

2 files changed, 2 insertions, 2 deletions

diff --git a/src/library/scala/reflect/ScalaLongSignature.java b/src/library/scala/reflect/ScalaLongSignature.java
index 5b6d78f446..94cf504aa4 100644
--- a/src/library/scala/reflect/ScalaLongSignature.java
+++ b/src/library/scala/reflect/ScalaLongSignature.java
@@ -8,5 +8,5 @@ import java.lang.annotation.Target;
 @Retention(RetentionPolicy.RUNTIME)
 @Target(ElementType.TYPE)
 public @interface ScalaLongSignature {
-    public String[] bytes();
+    String[] bytes();
 }
diff --git a/src/library/scala/reflect/ScalaSignature.java b/src/library/scala/reflect/ScalaSignature.java
index a8af554d2b..217ae8e8f7 100644
--- a/src/library/scala/reflect/ScalaSignature.java
+++ b/src/library/scala/reflect/ScalaSignature.java
@@ -8,5 +8,5 @@ import java.lang.annotation.Target;
 @Retention(RetentionPolicy.RUNTIME)
 @Target(ElementType.TYPE)
 public @interface ScalaSignature {
-    public String bytes();
+    String bytes();
 }