diff --git a/.classpath b/.classpath
deleted file mode 100644
index ac9ce57c2f4d3a99eb1868e101f3060156474663..0000000000000000000000000000000000000000
--- a/.classpath
+++ /dev/null
@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17">
-		<attributes>
-			<attribute name="module" value="true"/>
-		</attributes>
-	</classpathentry>
-	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="output" path="bin"/>
-</classpath>
diff --git a/.gitignore b/.gitignore
deleted file mode 100644
index ae3c1726048cd06b9a143e0376ed46dd9b9a8d53..0000000000000000000000000000000000000000
--- a/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-/bin/
diff --git a/.project b/.project
deleted file mode 100644
index b7e8a74e9dd98bfb5b42b70cd6033510d6823948..0000000000000000000000000000000000000000
--- a/.project
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>java2022spring</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/.settings/org.eclipse.jdt.core.prefs b/.settings/org.eclipse.jdt.core.prefs
deleted file mode 100644
index dbc27c5dc60ef7094a88953087ea0294b6c44a38..0000000000000000000000000000000000000000
--- a/.settings/org.eclipse.jdt.core.prefs
+++ /dev/null
@@ -1,14 +0,0 @@
-eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=17
-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.enablePreviewFeatures=disabled
-org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
-org.eclipse.jdt.core.compiler.release=enabled
-org.eclipse.jdt.core.compiler.source=17
diff --git a/readme.md b/readme.md
deleted file mode 100644
index 4af16add33b576d095308a1888db35774618715d..0000000000000000000000000000000000000000
--- a/readme.md
+++ /dev/null
@@ -1,2 +0,0 @@
-# 科学计算器
-0103 张三
\ No newline at end of file
diff --git a/src/java2022spring/Test.java b/src/java2022spring/Test.java
deleted file mode 100644
index 24deb29bfc0e5f50fdedcd21b504e77b529d48b6..0000000000000000000000000000000000000000
--- a/src/java2022spring/Test.java
+++ /dev/null
@@ -1,7 +0,0 @@
-package java2022spring;
-
-public class Test {
-	public static void main(String[] args) {
-		System.out.println("Hello world!");
-	}
-}
diff --git a/test/Hello.java b/test/Hello.java
new file mode 100644
index 0000000000000000000000000000000000000000..9ff07a7f855477806539c9c71144a4c7e2ecb896
--- /dev/null
+++ b/test/Hello.java
@@ -0,0 +1,7 @@
+package test;
+
+public class Hello {
+    public static void main(String[] args) {
+        System.out.println("test.Hello");
+    }
+}