hg: jdk/submit: 8201276: (fs) Add methods to Files for reading/writing a string from/to a file

[huizhe.wang at oracle.com]

Changeset: 7439ceaae8e4
Author:    joehw
Date:      2018-06-13 12:50 -0700
URL:       http://hg.openjdk.java.net/jdk/submit/rev/7439ceaae8e4

8201276: (fs) Add methods to Files for reading/writing a string from/to a file
Reviewed-by: rriggs, smarks, sherman, forax, alanb, mli

! src/java.base/share/classes/java/lang/StringCoding.java
! src/java.base/share/classes/java/lang/System.java
! src/java.base/share/classes/java/nio/file/Files.java
! src/java.base/share/classes/jdk/internal/misc/JavaLangAccess.java
+ test/jdk/java/nio/file/Files/ReadWriteString.java