DOC add JapaneseDemo

picocli-examples/src/main/java/picocli/examples/cjk/JapaneseDemo.java

@@ -0,0 +1,18 @@
+// This file is in UTF-8 encoding and contains Japanese characters.
+
+package picocli.examples.cjk;
+
+import picocli.CommandLine;
+import picocli.CommandLine.Command;
+
+@Command(name = "日本語対応デモ", mixinStandardHelpOptions = true, usageHelpWidth = 60,
+        description = {"123456789012345678901234567890123456789012345678901234567890",
+                "１２３４５６７８９０１２３４５６７８９０１２３４５６７８９０",
+                "@|red 漢字|@、@|green ひらがな|@、@|blue カタカナ|@などはローマ字よりも幅が長い。Picocliはそういう文字に@|bold,blink ２倍の幅|@を与えます。"})
+public class JapaneseDemo implements Runnable {
+    @Override public void run() { }
+
+    public static void main(String[] args) {
+        new CommandLine(new JapaneseDemo()).execute(args);
+    }
+}