diff --git a/src/main/java/org/mdkt/compiler/CompilationException.java b/src/main/java/org/mdkt/compiler/CompilationException.java
index 00c7f7f..7359876 100644
--- a/src/main/java/org/mdkt/compiler/CompilationException.java
+++ b/src/main/java/org/mdkt/compiler/CompilationException.java
@@ -6,5 +6,4 @@ public class CompilationException extends RuntimeException {
 	public CompilationException(String msg) {
 		super(msg);
 	}
-
 }
diff --git a/src/main/java/org/mdkt/compiler/CompiledCode.java b/src/main/java/org/mdkt/compiler/CompiledCode.java
index e6715cc..a2979e6 100644
--- a/src/main/java/org/mdkt/compiler/CompiledCode.java
+++ b/src/main/java/org/mdkt/compiler/CompiledCode.java
@@ -10,24 +10,24 @@
  * Created by trung on 5/3/15.
  */
 public class CompiledCode extends SimpleJavaFileObject {
-    private ByteArrayOutputStream baos = new ByteArrayOutputStream();
-    private String className;
+	private ByteArrayOutputStream baos = new ByteArrayOutputStream();
+	private String className;
 
-    public CompiledCode(String className) throws Exception {
-        super(new URI(className), Kind.CLASS);
-        this.className = className;
-    }
-    
-    public String getClassName() {
+	public CompiledCode(String className) throws Exception {
+		super(new URI(className), Kind.CLASS);
+		this.className = className;
+	}
+
+	public String getClassName() {
 		return className;
 	}
 
-    @Override
-    public OutputStream openOutputStream() throws IOException {
-        return baos;
-    }
+	@Override
+	public OutputStream openOutputStream() throws IOException {
+		return baos;
+	}
 
-    public byte[] getByteCode() {
-        return baos.toByteArray();
-    }
+	public byte[] getByteCode() {
+		return baos.toByteArray();
+	}
 }
diff --git a/src/main/java/org/mdkt/compiler/DynamicClassLoader.java b/src/main/java/org/mdkt/compiler/DynamicClassLoader.java
index 2128bd1..923eaca 100644
--- a/src/main/java/org/mdkt/compiler/DynamicClassLoader.java
+++ b/src/main/java/org/mdkt/compiler/DynamicClassLoader.java
@@ -4,7 +4,6 @@
 import java.util.Map;
 
 public class DynamicClassLoader extends ClassLoader {
-
 	private Map<String, CompiledCode> customCompiledCode = new HashMap<>();
 
 	public DynamicClassLoader(ClassLoader parent) {
diff --git a/src/main/java/org/mdkt/compiler/InMemoryJavaCompiler.java b/src/main/java/org/mdkt/compiler/InMemoryJavaCompiler.java
index b853590..51e39f4 100644
--- a/src/main/java/org/mdkt/compiler/InMemoryJavaCompiler.java
+++ b/src/main/java/org/mdkt/compiler/InMemoryJavaCompiler.java
@@ -69,11 +69,9 @@ public Map<String, Class<?>> compileAll() throws Exception {
 			throw new CompilationException("No source code to compile");
 		}
 		Collection<SourceCode> compilationUnits = sourceCodes.values();
-		CompiledCode[] code;
-
-		code = new CompiledCode[compilationUnits.size()];
+		CompiledCode[] code = new CompiledCode[compilationUnits.size()];
 		Iterator<SourceCode> iter = compilationUnits.iterator();
-		for (int i = 0; i < code.length; i++) {
+		for (int i = 0; i < code.length; ++i) {
 			code[i] = new CompiledCode(iter.next().getClassName());
 		}
 		DiagnosticCollector<JavaFileObject> collector = new DiagnosticCollector<>();