hg: jdk9/sandbox/jdk: JDK-8054307-branch: Some cleanup of the String classes

[xueming.shen at oracle.com]

Changeset: 74fc3bc992ee
Author:    sherman
Date:      2015-07-30 15:48 +0000
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/74fc3bc992ee

JDK-8054307-branch: Some cleanup of the String classes

! src/java.base/share/classes/java/lang/String.java
! src/java.base/share/classes/java/lang/StringBuffer.java
! src/java.base/share/classes/java/lang/StringUTF16.java