fix code style issues

jadx-gui/src/main/java/jadx/gui/treemodel/JClass.java

@@ -45,20 +45,19 @@ public class JClass extends JNode {
 		if (!loaded) {
 			cls.decompile();
 			loaded = true;
-			updateChilds();
+			update();
 		}
 	}
 
-	@Override
-	public synchronized void updateChilds() {
+	public synchronized void update() {
 		removeAllChildren();
 		if (!loaded) {
 			add(new TextNode(NLS.str("tree.loading")));
 		} else {
 			for (JavaClass javaClass : cls.getInnerClasses()) {
-				JClass child = new JClass(javaClass, this);
-				add(child);
-				child.updateChilds();
+				JClass innerCls = new JClass(javaClass, this);
+				add(innerCls);
+				innerCls.update();
 			}
 			for (JavaField f : cls.getFields()) {
 				add(new JField(f, this));

jadx-gui/src/main/java/jadx/gui/treemodel/JField.java

@@ -27,10 +27,6 @@ public class JField extends JNode {
 		this.jParent = jClass;
 	}
 
-	@Override
-	public void updateChilds() {
-	}
-
 	@Override
 	public JClass getJParent() {
 		return jParent;

jadx-gui/src/main/java/jadx/gui/treemodel/JMethod.java

@@ -29,10 +29,6 @@ public class JMethod extends JNode {
 		this.jParent = jClass;
 	}
 
-	@Override
-	public void updateChilds() {
-	}
-
 	@Override
 	public JClass getJParent() {
 		return jParent;

jadx-gui/src/main/java/jadx/gui/treemodel/JNode.java

@@ -16,7 +16,5 @@ public abstract class JNode extends DefaultMutableTreeNode {
 
 	public abstract int getLine();
 
-	public abstract void updateChilds();
-
 	public abstract Icon getIcon();
 }

jadx-gui/src/main/java/jadx/gui/treemodel/JPackage.java

@@ -25,7 +25,7 @@ public class JPackage extends JNode implements Comparable<JPackage> {
 		for (JavaClass javaClass : javaClasses) {
 			classes.add(new JClass(javaClass));
 		}
-		updateChilds();
+		update();
 	}
 
 	public JPackage(String name) {
@@ -33,15 +33,14 @@ public class JPackage extends JNode implements Comparable<JPackage> {
 		this.classes = new ArrayList<JClass>(1);
 	}
 
-	@Override
-	public void updateChilds() {
+	public void update() {
 		removeAllChildren();
 		for (JPackage pkg : innerPackages) {
-			pkg.updateChilds();
+			pkg.update();
 			add(pkg);
 		}
 		for (JClass cls : classes) {
-			cls.updateChilds();
+			cls.update();
 			add(cls);
 		}
 	}

jadx-gui/src/main/java/jadx/gui/treemodel/JRoot.java

@@ -27,11 +27,10 @@ public class JRoot extends JNode {
 
 	public JRoot(JadxWrapper wrapper) {
 		this.wrapper = wrapper;
-		updateChilds();
+		update();
 	}
 
-	@Override
-	public void updateChilds() {
+	public void update() {
 		removeAllChildren();
 		if (flatPackages) {
 			for (JavaPackage pkg : wrapper.getPackages()) {
@@ -41,7 +40,7 @@ public class JRoot extends JNode {
 			// build packages hierarchy
 			List<JPackage> rootPkgs = getHierarchyPackages(wrapper.getPackages());
 			for (JPackage jPackage : rootPkgs) {
-				jPackage.updateChilds();
+				jPackage.update();
 				add(jPackage);
 			}
 		}
@@ -88,7 +87,7 @@ public class JRoot extends JNode {
 		}
 
 		// use identity set for collect inner packages
-		Set<JPackage> innerPackages = Collections.newSetFromMap(new IdentityHashMap<JPackage,Boolean>());
+		Set<JPackage> innerPackages = Collections.newSetFromMap(new IdentityHashMap<JPackage, Boolean>());
 		for (JPackage pkg : pkgMap.values()) {
 			innerPackages.addAll(pkg.getInnerPackages());
 		}
@@ -131,7 +130,7 @@ public class JRoot extends JNode {
 	public void setFlatPackages(boolean flatPackages) {
 		if (this.flatPackages != flatPackages) {
 			this.flatPackages = flatPackages;
-			updateChilds();
+			update();
 		}
 	}
 

jadx-gui/src/main/java/jadx/gui/treemodel/TextNode.java

@@ -19,10 +19,6 @@ public class TextNode extends JNode {
 		return 0;
 	}
 
-	@Override
-	public void updateChilds() {
-	}
-
 	@Override
 	public Icon getIcon() {
 		return null;

jadx-gui/src/main/java/jadx/gui/utils/Utils.java

@@ -67,10 +67,18 @@ public class Utils {
 			icon = def;
 		}
 		OverlayIcon overIcon = new OverlayIcon(icon);
-		if (af.isFinal()) overIcon.add(ICON_FINAL);
-		if (af.isStatic()) overIcon.add(ICON_STATIC);
-		if (af.isAbstract()) overIcon.add(ICON_ABSTRACT);
-		if (af.isNative()) overIcon.add(ICON_NATIVE);
+		if (af.isFinal()) {
+			overIcon.add(ICON_FINAL);
+		}
+		if (af.isStatic()) {
+			overIcon.add(ICON_STATIC);
+		}
+		if (af.isAbstract()) {
+			overIcon.add(ICON_ABSTRACT);
+		}
+		if (af.isNative()) {
+			overIcon.add(ICON_NATIVE);
+		}
 		return overIcon;
 	}
 }