diff --git a/tank/.classpath b/tank/.classpath
new file mode 100644
index 0000000..bcb0a07
--- /dev/null
+++ b/tank/.classpath
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry exported="true" kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/jdk"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/tank/.project b/tank/.project
new file mode 100644
index 0000000..1e925cd
--- /dev/null
+++ b/tank/.project
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>tank</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>
diff --git a/tank/.settings/org.eclipse.jdt.core.prefs b/tank/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 0000000..3a21537
--- /dev/null
+++ b/tank/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,11 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.8
diff --git a/tank/bin/com/mashibing/tank/T$1.class b/tank/bin/com/mashibing/tank/T$1.class
new file mode 100644
index 0000000..78f90f1
Binary files /dev/null and b/tank/bin/com/mashibing/tank/T$1.class differ
diff --git a/tank/bin/com/mashibing/tank/T.class b/tank/bin/com/mashibing/tank/T.class
new file mode 100644
index 0000000..7841e02
Binary files /dev/null and b/tank/bin/com/mashibing/tank/T.class differ
diff --git a/tank/src/com/mashibing/tank/T.java b/tank/src/com/mashibing/tank/T.java
new file mode 100644
index 0000000..24b2d3b
--- /dev/null
+++ b/tank/src/com/mashibing/tank/T.java
@@ -0,0 +1,28 @@
+package com.mashibing.tank;
+
+import java.awt.Frame;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+
+public class T {
+
+	public static void main(String[] args) {
+
+		Frame f = new Frame();
+		f.setVisible(true);
+		f.setSize(800,600);
+		f.setResizable(false);
+		f.setTitle("tank war");
+		
+		f.addWindowFocusListener(new WindowAdapter() {           
+
+			@Override
+			public void windowClosing(WindowEvent e) {
+				System.exit(0);
+			}
+			
+			
+		});
+	}
+
+}