diff --git a/src/main/java/istlab/KisoJikken/Editor.java b/src/main/java/istlab/KisoJikken/Editor.java
index be783cd..b6e93a3 100644
--- a/src/main/java/istlab/KisoJikken/Editor.java
+++ b/src/main/java/istlab/KisoJikken/Editor.java
@@ -52,6 +52,8 @@
             textArea.setCodeFoldingEnabled(true);
         } else if (file.getName().endsWith(".sh")) {
             textArea.setSyntaxEditingStyle(SyntaxConstants.SYNTAX_STYLE_UNIX_SHELL);
+        } else if (file.getName().endsWith(".class")){
+            textArea.setEditable(false);
         }
         getContentPane().add(new RTextScrollPane(textArea));
         textArea.addKeyListener(this);
diff --git a/src/main/java/istlab/KisoJikken/JCompiler.java b/src/main/java/istlab/KisoJikken/JCompiler.java
index bab9659..7bf52af 100644
--- a/src/main/java/istlab/KisoJikken/JCompiler.java
+++ b/src/main/java/istlab/KisoJikken/JCompiler.java
@@ -27,16 +27,21 @@
 
     @Override
     public void run() {
-        System.out.println("== コンパイル開始 ==");
+        // System.out.println("== コンパイル開始 ==");
         ProcessBuilder processBuilder = new ProcessBuilder("bash", "-c",
                 "javac -encoding UTF-8 " + pkgname + "/*.java");
-        System.out.println("> cd ~" + App.nwpsrc);
-        System.out.println("> javac -encoding UTF-8 " + pkgname + "/*.java");
+        processBuilder.redirectErrorStream(true);
+        JTAConsole con = new JTAConsole("(Compile) javac "+pkgname+"/*.java");
+        con.Systemoutprintln("== コンパイル開始 ==");
+
+        con.Systemoutprintln("> cd ~" + App.nwpsrc);
+        con.Systemoutprintln("> javac -encoding UTF-8 " + pkgname + "/*.java");
         // ProcessBuilder processBuilder = new ProcessBuilder("pwd");
         processBuilder.directory(new File(App.userhome + App.nwpsrc));
-        processBuilder.inheritIO();
+        // processBuilder.inheritIO();
         try {
             process = processBuilder.start();
+            con.startBR(process);
             // BufferedReader reader = new BufferedReader(new
             // InputStreamReader(process.getInputStream()));
             // String line;
@@ -47,7 +52,7 @@
         } catch (IOException | InterruptedException e1) {
             e1.printStackTrace();
         }
-        System.out.println("== コンパイル終了 ==");
+        con.Systemoutprintln("== コンパイル終了 ==");
         thread = null;
     }
 }
diff --git a/src/main/java/istlab/KisoJikken/JExecutor.java b/src/main/java/istlab/KisoJikken/JExecutor.java
index a7a2637..c657154 100644
--- a/src/main/java/istlab/KisoJikken/JExecutor.java
+++ b/src/main/java/istlab/KisoJikken/JExecutor.java
@@ -30,7 +30,7 @@
         ProcessBuilder processBuilder = new ProcessBuilder("java",
                 pkgname + "." + javafname);
         processBuilder.redirectErrorStream(true);
-        JTAConsole con = new JTAConsole();
+        JTAConsole con = new JTAConsole("(Exec) java " + pkgname + "." + javafname);
         con.Systemoutprintln("== 実行開始 ==");
         con.Systemoutprintln("> cd ~" + App.nwpsrc);
         con.Systemoutprintln("> java " + pkgname + "." + javafname);
diff --git a/src/main/java/istlab/KisoJikken/JTAConsole.java b/src/main/java/istlab/KisoJikken/JTAConsole.java
index f43caac..9f96809 100644
--- a/src/main/java/istlab/KisoJikken/JTAConsole.java
+++ b/src/main/java/istlab/KisoJikken/JTAConsole.java
@@ -1,17 +1,22 @@
 package istlab.KisoJikken;
 
+import java.awt.Point;
 import java.awt.event.WindowEvent;
 import java.awt.event.WindowListener;
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
+import java.util.Stack;
 
 import javax.swing.JFrame;
 import javax.swing.JScrollPane;
 import javax.swing.JTextArea;
 
 public class JTAConsole extends JTextArea implements Runnable, WindowListener {
+    // static JTAConsole lastWindow;
+    // static Point lastActivePoint;
+    static Stack<JTAConsole> winStack = new Stack<JTAConsole>();
     JFrame frame;
     Process process;
     Thread thread;
@@ -20,15 +25,30 @@
     // ProcessBuilder pb;
 
     // public JTAConsole(ProcessBuilder prob) {
-    public JTAConsole() {
+    public JTAConsole(String title) {
         // pb = prob;
 
-        frame = new JFrame();
+        frame = new JFrame(title);
         frame.getContentPane().add(new JScrollPane(this));
         frame.setSize(500, 200);
         frame.setVisible(true);
         frame.setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE);
         frame.addWindowListener(this);
+        if (winStack.size()>0){
+            JTAConsole last = winStack.peek();
+            if (last.isVisible()){
+                Point lastFrameP = last.frame.getLocationOnScreen();
+                frame.setLocation(lastFrameP.x+470, lastFrameP.y);
+            }
+        }
+        // if (lastActivePoint != null){
+        //     frame.setLocation(lastActivePoint.x+500, lastActivePoint.y);
+        // } else if (lastWindow != null && lastWindow.isVisible()){
+        //     Point lastFrameP = lastWindow.frame.getLocationOnScreen();
+        //     frame.setLocation(lastFrameP.x+500, lastFrameP.y);
+        // }
+        // lastWindow = this;
+        winStack.push(this);
     }
 
     public void Systemoutprintln(String s) {
@@ -50,7 +70,6 @@
         } catch (IOException e) {
             e.printStackTrace();
         } catch (InterruptedException e) {
-            // TODO Auto-generated catch block
             e.printStackTrace();
         }
 
@@ -82,50 +101,46 @@
         } catch (IOException e) {
             e.printStackTrace();
         }
-        JTAConsole con = new JTAConsole();
+        JTAConsole con = new JTAConsole("Demo");
         con.startBR(process);
 
     }
 
     @Override
     public void windowOpened(WindowEvent e) {
-        // TODO Auto-generated method stub
 
     }
 
     @Override
     public void windowClosing(WindowEvent e) {
         process.destroy();
-
+        winStack.remove(this);
+        setVisible(false);
     }
 
     @Override
     public void windowClosed(WindowEvent e) {
-        // TODO Auto-generated method stub
 
     }
 
     @Override
     public void windowIconified(WindowEvent e) {
-        // TODO Auto-generated method stub
 
     }
 
     @Override
     public void windowDeiconified(WindowEvent e) {
-        // TODO Auto-generated method stub
 
     }
 
     @Override
     public void windowActivated(WindowEvent e) {
-        // TODO Auto-generated method stub
+        // JTAConsole.lastActivePoint = frame.getLocationOnScreen();
 
     }
 
     @Override
     public void windowDeactivated(WindowEvent e) {
-        // TODO Auto-generated method stub
 
     }
 }