refactor: use Stream.of(..) instead of Arrays.asList(...)

aterai · Sep 15, 2018 · c5534ad · c5534ad
1 parent d0bda04
commit c5534ad
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Showing 3 changed files with 20 additions and 13 deletions.
diff --git a/ButtonPainted/src/java/example/MainPanel.java b/ButtonPainted/src/java/example/MainPanel.java
@@ -3,9 +3,11 @@
 // vim:set fileencoding=utf-8:
 // @homepage@
 import java.awt.*;
-import java.awt.image.*;
+import java.awt.image.BufferedImage;
+import java.awt.image.RescaleOp;
 import java.util.Arrays;
 import java.util.List;
+import java.util.stream.Stream;
 import javax.swing.*;
 
 public final class MainPanel extends JPanel {
@@ -55,7 +57,7 @@ private MainPanel() {
         });
 
         Box box = Box.createVerticalBox();
-        Arrays.asList(focusPainted, borderPainted, contentAreaFilled, rolloverEnabled).forEach(box::add);
+        Stream.of(focusPainted, borderPainted, contentAreaFilled, rolloverEnabled).forEach(box::add);
         add(box, BorderLayout.NORTH);
         add(p);
         setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));

diff --git a/InvertedProgressBar/src/java/example/MainPanel.java b/InvertedProgressBar/src/java/example/MainPanel.java
@@ -3,12 +3,14 @@
 // vim:set fileencoding=utf-8:
 // @homepage@
 import java.awt.*;
-import java.awt.event.*;
-import java.awt.image.*;
+import java.awt.event.HierarchyEvent;
+import java.awt.event.HierarchyListener;
+import java.awt.image.BufferedImage;
 import java.beans.PropertyChangeEvent;
 import java.beans.PropertyChangeListener;
-import java.util.*;
-import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.stream.Stream;
 import javax.swing.*;
 import javax.swing.plaf.LayerUI;
 
@@ -31,10 +33,9 @@ private MainPanel() {
         progress3.setComponentOrientation(ComponentOrientation.RIGHT_TO_LEFT);
         progress3.setStringPainted(true);
 
-        List<Component> list1 = Arrays.asList(progress0, progress1, progress2, progress3);
         JPanel p1 = new JPanel(new GridLayout(2, 2, 10, 10));
         p1.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
-        list1.forEach(p1::add);
+        Stream.of(progress0, progress1, progress2, progress3).forEach(p1::add);
 
         JProgressBar progress4 = new JProgressBar(m);
         progress4.setOrientation(SwingConstants.VERTICAL);
@@ -64,11 +65,10 @@ private MainPanel() {
         progress8.setOrientation(SwingConstants.VERTICAL);
         JLayer<JProgressBar> layer = new JLayer<>(progress8, new VerticalFlipLayerUI<>());
 
-        List<Component> list2 = Arrays.asList(progress4, progress5, progress6, progress7, layer);
         Box p2 = Box.createHorizontalBox();
         p2.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
         p2.add(Box.createHorizontalGlue());
-        list2.forEach(c -> {
+        Stream.of(progress4, progress5, progress6, progress7, layer).forEach(c -> {
             p2.add(c);
             p2.add(Box.createHorizontalStrut(25));
         });

diff --git a/ItemListenerActionListener/src/java/example/MainPanel.java b/ItemListenerActionListener/src/java/example/MainPanel.java
@@ -3,10 +3,15 @@
 // vim:set fileencoding=utf-8:
 // @homepage@
 import java.awt.*;
-import java.awt.event.*;
+import java.awt.event.ActionListener;
+import java.awt.event.ItemEvent;
+import java.awt.event.ItemListener;
 import java.time.DayOfWeek;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
 import java.util.stream.Stream;
 import javax.swing.*;
 
@@ -46,7 +51,7 @@ private static Component makeComboBox(JTextArea textArea) {
         button1.addActionListener(e -> combo.setSelectedIndex(-1));
 
         JPanel p = new JPanel();
-        Arrays.asList(Box.createVerticalStrut(40), combo, button0, button1).forEach(p::add);
+        Stream.of(Box.createVerticalStrut(40), combo, button0, button1).forEach(p::add);
         return p;
     }
     private static Component makeCheckBoxes(JTextArea textArea) {