hg: kulla/dev/langtools: 8129543: JShell API: Change JShell and SourceCodeAnalysis to abstract classes

[robert.field at oracle.com]

Changeset: ebd3911d497d
Author:    rfield
Date:      2015-06-25 08:02 -0700
URL:       http://hg.openjdk.java.net/kulla/dev/langtools/rev/ebd3911d497d

8129543: JShell API: Change JShell and SourceCodeAnalysis to abstract classes

! src/jdk.jshell/share/classes/jdk/internal/jshell/impl/JShellImpl.java
! src/jdk.jshell/share/classes/jdk/internal/jshell/impl/SourceCodeAnalysisImpl.java
! src/jdk.jshell/share/classes/jdk/jshell/JShell.java
! src/jdk.jshell/share/classes/jdk/jshell/SourceCodeAnalysis.java