Clean up formatting

xstream/src/main/java/com/baeldung/initializer/SimpleXstreamInitializer.java

@@ -6,18 +6,18 @@ import com.thoughtworks.xstream.io.json.JsonHierarchicalStreamDriver;
 
 public class SimpleXstreamInitializer {
 
-	public XStream getXstreamInstance() {
-		XStream xtreamInstance = new XStream();
-		return xtreamInstance;
-	}
+    public XStream getXstreamInstance() {
+        XStream xtreamInstance = new XStream();
+        return xtreamInstance;
+    }
 
-	public XStream getXstreamJettisonMappedInstance() {
-		XStream xstreamInstance = new XStream(new JettisonMappedXmlDriver());
-		return xstreamInstance;
-	}
+    public XStream getXstreamJettisonMappedInstance() {
+        XStream xstreamInstance = new XStream(new JettisonMappedXmlDriver());
+        return xstreamInstance;
+    }
 
-	public XStream getXstreamJsonHierarchicalInstance() {
-		XStream xstreamInstance = new XStream(new JsonHierarchicalStreamDriver());
-		return xstreamInstance;
-	}
+    public XStream getXstreamJsonHierarchicalInstance() {
+        XStream xstreamInstance = new XStream(new JsonHierarchicalStreamDriver());
+        return xstreamInstance;
+    }
 }