diff --git a/textboxlimit.java b/textboxlimit.java
new file mode 100644
index 00000000..9e398648
--- /dev/null
+++ b/textboxlimit.java
@@ -0,0 +1,10 @@
+  tf1.addKeyListener(new KeyAdapter() {  
+         public void keyTyped(KeyEvent e) {  
+           char c = e.getKeyChar();  
+           if (!(Character.isDigit(c) ||  
+              (c == KeyEvent.VK_BACK_SPACE) ||  
+              (c == KeyEvent.VK_DELETE))) {  
+                e.consume();  
+              }  
+         }  
+       });