src/demo/share/jfc/J2Ddemo/java2d/demos/Mix/Balls.java

*** 69,79 ****
          new Color(75, 00, 82), new Color(238, 130, 238) };
      private long now, deltaT, lasttime;
      private boolean active;
      protected Ball[] balls = new Ball[colors.length];
      protected boolean clearToggle;
!     protected JComboBox combo;
  
      public Balls() {
          setBackground(WHITE);
          for (int i = 0; i < colors.length; i++) {
              balls[i] = new Ball(colors[i], 30);
--- 69,79 ----
          new Color(75, 00, 82), new Color(238, 130, 238) };
      private long now, deltaT, lasttime;
      private boolean active;
      protected Ball[] balls = new Ball[colors.length];
      protected boolean clearToggle;
!     protected JComboBox<String> combo;
  
      public Balls() {
          setBackground(WHITE);
          for (int i = 0; i < colors.length; i++) {
              balls[i] = new Ball(colors[i], 30);
*** 277,287 ****
              addTool("Y", demo.balls[2].isSelected);
              addTool("G", demo.balls[3].isSelected);
              addTool("B", demo.balls[4].isSelected);
              addTool("I", demo.balls[5].isSelected);
              addTool("V", demo.balls[6].isSelected);
!             add(combo = new JComboBox());
              combo.addItem("10");
              combo.addItem("20");
              combo.addItem("30");
              combo.addItem("40");
              combo.addItem("50");
--- 277,287 ----
              addTool("Y", demo.balls[2].isSelected);
              addTool("G", demo.balls[3].isSelected);
              addTool("B", demo.balls[4].isSelected);
              addTool("I", demo.balls[5].isSelected);
              addTool("V", demo.balls[6].isSelected);
!             add(combo = new JComboBox<>());
              combo.addItem("10");
              combo.addItem("20");
              combo.addItem("30");
              combo.addItem("40");
              combo.addItem("50");