--- /dev/null	2018-04-27 22:25:27.735000000 -0700
+++ new/src/jdk.compiler/share/classes/com/sun/tools/javac/resources/launcher_ja.properties	2018-07-20 09:25:10.039503730 -0700
@@ -0,0 +1,120 @@
+#
+# Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# This code is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 only, as
+# published by the Free Software Foundation.  Oracle designates this
+# particular file as subject to the "Classpath" exception as provided
+# by Oracle in the LICENSE file that accompanied this code.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+#
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+#
+
+# Messages in this file which use "placeholders" for values (e.g. {0}, {1})
+# are preceded by a stylized comment describing the type of the corresponding
+# values.
+# The simple types currently in use are:
+#
+# annotation        annotation compound
+# boolean           true or false
+# diagnostic        a sub-message; see compiler.misc.*
+# fragment          similar to 'message segment', but with more specific type
+# modifier          a Java modifier; e.g. public, private, protected
+# file              a file URL
+# file object       a file URL - similar to 'file' but typically used for source/class files, hence more specific
+# flag              a Flags.Flag instance
+# name              a name, typically a Java identifier
+# number            an integer
+# option name       the name of a command line option
+# source version    a source version number, such as 1.5, 1.6, 1.7
+# string            a general string
+# symbol            the name of a declared type
+# symbol kind       the kind of a symbol (i.e. method, variable)
+# kind name         an informative description of the kind of a declaration; see compiler.misc.kindname.*
+# token             the name of a non-terminal in source code; see compiler.misc.token.*
+# type              a Java type; e.g. int, X, X<T>
+# object            a Java object (unspecified)
+# unused            the value is not used in this message
+#
+# The following compound types are also used:
+#
+# collection of X   a comma-separated collection of items; e.g. collection of type
+# list of X         a comma-separated list of items; e.g. list of type
+# set of X          a comma-separated set of items; e.g. set of modifier
+#
+# These may be composed:
+#
+# list of type or message segment
+#
+# The following type aliases are supported:
+#
+# message segment --> diagnostic or fragment
+# file name --> file, path or file object
+#
+# Custom comments are supported in parenthesis i.e.
+#
+# number (classfile major version)
+#
+# These comments are used internally in order to generate an enum-like class declaration containing
+# a method/field for each of the diagnostic keys listed here. Those methods/fields can then be used
+# by javac code to build diagnostics in a type-safe fashion.
+#
+# In addition, these comments are verified by the jtreg test test/tools/javac/diags/MessageInfo,
+# using info derived from the collected set of examples in test/tools/javac/diags/examples.
+# MessageInfo can also be run as a standalone utility providing more facilities
+# for manipulating this file. For more details, see MessageInfo.java.
+
+## All errors are preceded by this string.
+launcher.error=エラー: 
+
+launcher.err.no.args=ファイル名なし
+
+# 0: string
+launcher.err.invalid.filename=ファイル名が無効です: {0}
+
+# 0: path
+launcher.err.file.not.found=ファイルが見つかりません: {0}
+
+launcher.err.compilation.failed=コンパイルが失敗しました
+
+launcher.err.no.class=ファイルでクラスが宣言されていません
+
+launcher.err.main.not.public.static=''main'メソッドが''public static''として宣言されていません
+
+launcher.err.main.not.void=''main'メソッドが戻り型''void''で宣言されていません
+
+# 0: string
+launcher.err.cant.find.class=クラスが見つかりません: {0}
+
+# 0: string
+launcher.err.unexpected.class=アプリケーション・クラス・パスにクラスが見つかりました: {0}
+
+# 0: string
+launcher.err.cant.find.main.method=クラスにmain(String[])メソッドが見つかりません: {0}
+
+# 0: string
+launcher.err.cant.access.main.method=クラスのメイン・メソッドにアクセスできません: {0}
+
+# 0: path, 1: object
+launcher.err.cant.read.file=ファイル{0}の読取り中にエラーが発生しました: {1}
+
+# 0: string
+launcher.err.no.value.for.option=オプションに値が指定されていません: {0}
+
+# 0: string
+launcher.err.invalid.value.for.source=--sourceオプションの値が無効です: {0}
+
+launcher.err.enable.preview.requires.source=--enable-previewは--sourceとともに使用する必要があります