java - How to add Player to Maze -


i have constructed maze , made player class. when compile it, see maze , not player. have tried different techniques , still doesn't work me.

what have in order see player , able move it?

also, there way adjust maze , make bigger or same size frame?

import java.awt.*; import javax.swing.*; import java.awt.event.*;  // needed actionlistener import javax.swing.event.*;  // needed actionlistener import java.awt.graphics; import java.awt.event.actionevent; import java.awt.event.keyevent; import java.awt.event.keylistener; import java.awt.event.actionlistener; import javax.swing.jpanel; import javax.swing.timer;  class www extends jframe {     static maze maze = new maze ();     static timer t;      //======================================================== constructor     public www ()     {         // 1... create/initialize components         // 2... create content pane, set layout         jpanel content = new jpanel ();        // create content pane         content.setlayout (new borderlayout ()); // use borderlayout panel         jpanel north = new jpanel ();         north.setlayout (new flowlayout ()); // use flowlayout input area          drawarea board = new drawarea (500, 500);          // 3... add components input area.          content.add (north, "north"); // input area         content.add (board, "south"); // output area          // 4... set window's attributes.         setcontentpane (content);         pack ();         settitle ("maze");         setsize (490, 500);         setdefaultcloseoperation (jframe.exit_on_close);         setlocationrelativeto (null);           // center window.     }      public static void main (string[] args)     {         www window = new www ();         window.setvisible (true);         player p = new player ();         jframe jf = new jframe ();         //jf.settitle("tutorial");         //jf.setsize(600,400);         jf.setvisible(true);     }      class drawarea extends jpanel     {         public drawarea (int width, int height)         {             this.setpreferredsize (new dimension (width, height)); // size         }          public void paintcomponent (graphics g)         {             maze.show (g); // display current state of colony         }     } }  class maze  {     private int grid [][];      public maze ()     {         int [][] maze =              { {1,0,1,1,1,1,1,1,1,1,1,1,1},                 {1,0,1,0,1,0,1,0,0,0,0,0,1},                 {1,0,1,0,0,0,1,0,1,1,1,0,1},                 {1,0,0,0,1,1,1,0,0,0,0,0,1},                 {1,0,1,0,0,0,0,0,1,1,1,0,1},                 {1,0,1,0,1,1,1,0,1,0,0,0,1},                 {1,0,1,0,1,0,0,0,1,1,1,0,1},                 {1,0,1,0,1,1,1,0,1,0,1,0,1},                 {1,0,0,0,0,0,0,0,0,0,1,0,1},                 {1,1,1,1,1,1,1,1,1,1,1,0,1}};          grid = maze;      }      public void show (graphics g)     {         (int row = 0 ; row < grid.length ; row++)             (int col = 0 ; col < grid [0].length ; col++)             {                 if (grid [row] [col] == 1) // life                     g.setcolor (color.black);                 else                     g.setcolor (color.white);                 g.fillrect (col * 30 + 30, row * 30 + 30, 30, 30); // draw life form             }     }     public class player extends jpanel implements actionlistener,keylistener     {         timer tm = new timer(5,this);         private int x = 0;          private  int y = 0;         private int velx = 0 ;         private int vely = 0;         public void player ()         {             tm.start();             addkeylistener(this);             setfocusable(true);             setfocustraversalkeysenabled(false);         }          public void paintcomponent (graphics g)         {             super.paintcomponent(g);             g.setcolor(color.red);             g.fillrect(20,30,50,50);         }          public void actionperformed(actionevent e)         {             x = x+velx;             y = y +vely;             repaint();         }          public void keypressed(keyevent e)         {             int c =  e.getkeycode();             if(c == keyevent.vk_left)             {                 velx = -1;                 vely = 0;             }             if (c == keyevent.vk_up)             {                 velx = 0;                 vely = -1;             }             if( c==keyevent.vk_right)             {                 velx = 1;                 vely = 0;             }             if(c==keyevent.vk_down)             {                 velx = 0;                 vely = 1;             }         }          public void keytyped(keyevent e){}          public void keyreleased(keyevent e){}       }   } 


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