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  1.  
  2.  
  3. import java.awt.*;
  4.  
  5. import java.awt.event.*;
  6.  
  7.  
  8.  
  9.  
  10.  
  11. public class j1223_2 extends Frame{
  12.  
  13.  
  14.  
  15. 	j1223_2 frm;
  16.  
  17. 	Scrollbar scr1=new Scrollbar(Scrollbar.VERTICAL);;
  18.  
  19. 	Scrollbar scr2;
  20.  
  21. 	Scrollbar scr3;
  22.  
  23. 	BorderLayout br;
  24.  
  25.  
  26.  
  27.  
  28.  
  29. 	 void initial(){
  30.  
  31.  
  32.  
  33. 	 	frm=new j1223_2();
  34.  
  35.  
  36.  
  37. 	 	scr2=new Scrollbar(Scrollbar.HORIZONTAL);
  38.  
  39. 	 	scr3=new Scrollbar(Scrollbar.VERTICAL);
  40.  
  41. 	 	scr1.setValues(255,45,0,300);
  42.  
  43. 	 	scr2.setValues(255,45,0,300);
  44.  
  45. 	 	scr3.setValues(140,45,0,300);
  46.  
  47. 	 	br=new BorderLayout(5,5);
  48.  
  49. 	 	frm.setTitle("Display Color");
  50.  
  51. 	 	frm.setSize(200,150);
  52.  
  53. 	 	frm.setLayout(br);
  54.  
  55. 	 	frm.add(scr1,br.WEST);
  56.  
  57. 	 	frm.add(scr2,br.SOUTH);
  58.  
  59. 	 	frm.add(scr3,br.EAST);
  60.  
  61.  
  62.  
  63.  
  64.  
  65. 	 	scr1.addAdjustmentListener(new AdjustmentListener(){
  66.  
  67.  
  68.  
  69. 	 		public void adjustmentValueChanged(AdjustmentEvent e){
  70.  
  71.  
  72.  
  73. 	 		     Graphics g=frm.getGraphics();	
  74.  
  75. 	 			 paint(g);
  76.  
  77.  
  78.  
  79. 	 			}
  80.  
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  90.  
  91.  
  92.  
  93. 	 		});
  94.  
  95.  
  96.  
  97. 	 		scr2.addAdjustmentListener(new AdjustmentListener(){
  98.  
  99.  
  100.  
  101. 	 		public void adjustmentValueChanged(AdjustmentEvent e){
  102.  
  103.  
  104.  
  105. 	 		     Graphics g=frm.getGraphics();	
  106.  
  107. 	 			 paint(g);
  108.  
  109.  
  110.  
  111. 	 			}
  112.  
  113.  
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  123.  
  124.  
  125. 	 		});
  126.  
  127.  
  128.  
  129.  
  130.  
  131.  
  132.  
  133. 	 		scr3.addAdjustmentListener(new AdjustmentListener(){
  134.  
  135.  
  136.  
  137. 	 		public void adjustmentValueChanged(AdjustmentEvent e){
  138.  
  139.  
  140.  
  141. 	 		     Graphics g=frm.getGraphics();	
  142.  
  143. 	 			 paint(g);
  144.  
  145.  
  146.  
  147. 	 			}
  148.  
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  154.  
  155.  
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  157.  
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  159.  
  160.  
  161. 	 		});
  162.  
  163.  
  164.  
  165. 	 	 frm.setVisible(true);
  166.  
  167.  
  168.  
  169.  
  170.  
  171. 	 	}
  172.  
  173.  
  174.  
  175.  
  176.  
  177.  
  178.  
  179. 	public void paint(Graphics g){
  180.  
  181.  
  182.  
  183. 		  int red=scr1.getValue();
  184.  
  185. 		  int green=scr2.getValue();
  186.  
  187. 		  int blue=scr3.getValue();
  188.  
  189. 		  String str="Color("+red+","+green+","+blue+")";
  190.  
  191. 		  g.setColor(new Color(red,green,blue));
  192.  
  193. 		  g.fillRect(0,0,getWidth(),getHeight());
  194.  
  195. 		  g.setColor(Color.BLACK);
  196.  
  197.           g.drawString(str,45,80); 		
  198.  
  199.  
  200.  
  201.  
  202.  
  203.  
  204.  
  205. 		}
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  211.  
  212.  
  213.  
  214.  
  215.  
  216.  
  217. }
  218.  
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  220.  
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  222.  
  223.  
  224.  
  225.  
  226.  
  227. class Test_2{
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  229.  
  230.  
  231.  
  232.  
  233.  
  234.  
  235. 	public static void main(String [] args){
  236.  
  237.  
  238.  
  239. 		j1223_2 frame=new j1223_2();
  240.  
  241. 		frame.initial();
  242.  
  243.  
  244.  
  245.  
  246.  
  247. 		}
  248.  
  249.  
  250.  
  251.  
  252.  
  253. 	}
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
Main.java:11: class j1223_2 is public, should be declared in a file named j1223_2.java
public class j1223_2 extends Frame{
       ^
1 error
stdout
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Standard output is empty
https://ideone.com/AweoN0
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
public

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