diff --git a/api/current.xml b/api/current.xml
index a175769d9b0c6..2e8ca9ffe9c87 100644
--- a/api/current.xml
+++ b/api/current.xml
@@ -207038,7 +207038,7 @@
 </parameter>
 <parameter name="offset" type="int">
 </parameter>
-<parameter name="length" type="int">
+<parameter name="count" type="int">
 </parameter>
 <exception name="IOException" type="java.io.IOException">
 </exception>
@@ -208174,7 +208174,7 @@
 </parameter>
 <parameter name="offset" type="int">
 </parameter>
-<parameter name="count" type="int">
+<parameter name="length" type="int">
 </parameter>
 <exception name="IOException" type="java.io.IOException">
 </exception>
@@ -242856,7 +242856,7 @@
  return="void"
  abstract="false"
  native="false"
- synchronized="true"
+ synchronized="false"
  static="false"
  final="true"
  deprecated="not deprecated"
@@ -243089,8 +243089,6 @@
 </parameter>
 <parameter name="aliases" type="java.lang.String[]">
 </parameter>
-<exception name="IllegalCharsetNameException" type="java.nio.charset.IllegalCharsetNameException">
-</exception>
 </constructor>
 <method name="aliases"
  return="java.util.Set&lt;java.lang.String&gt;"
@@ -243203,7 +243201,7 @@
  return="java.nio.ByteBuffer"
  abstract="false"
  native="false"
- synchronized="true"
+ synchronized="false"
  static="false"
  final="true"
  deprecated="not deprecated"
@@ -243250,10 +243248,6 @@
 >
 <parameter name="charsetName" type="java.lang.String">
 </parameter>
-<exception name="IllegalCharsetNameException" type="java.nio.charset.IllegalCharsetNameException">
-</exception>
-<exception name="UnsupportedCharsetException" type="java.nio.charset.UnsupportedCharsetException">
-</exception>
 </method>
 <method name="hashCode"
  return="int"
@@ -243281,7 +243275,7 @@
  return="boolean"
  abstract="false"
  native="false"
- synchronized="false"
+ synchronized="true"
  static="true"
  final="false"
  deprecated="not deprecated"
@@ -243289,8 +243283,6 @@
 >
 <parameter name="charsetName" type="java.lang.String">
 </parameter>
-<exception name="IllegalCharsetNameException" type="java.nio.charset.IllegalCharsetNameException">
-</exception>
 </method>
 <method name="name"
  return="java.lang.String"