22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package javax.swing;
  26 
  27 import javax.swing.text.*;
  28 import javax.swing.plaf.*;
  29 import javax.accessibility.*;
  30 
  31 import java.io.ObjectOutputStream;
  32 import java.io.ObjectInputStream;
  33 import java.io.IOException;
  34 import java.io.*;
  35 import java.util.Arrays;
  36 
  37 /**
  38  * <code>JPasswordField</code> is a lightweight component that allows
  39  * the editing of a single line of text where the view indicates
  40  * something was typed, but does not show the original characters.
  41  * You can find further information and examples in
  42  * <a href="http://java.sun.com/docs/books/tutorial/uiswing/components/textfield.html">How to Use Text Fields</a>,
  43  * a section in <em>The Java Tutorial.</em>
  44  * <p>
  45  * <code>JPasswordField</code> is intended
  46  * to be source-compatible with <code>java.awt.TextField</code>
  47  * used with <code>echoChar</code> set.  It is provided separately
  48  * to make it easier to safely change the UI for the
  49  * <code>JTextField</code> without affecting password entries.
  50  * <p>
  51  * <strong>NOTE:</strong>
  52  * By default, JPasswordField disables input methods; otherwise, input
  53  * characters could be visible while they were composed using input methods.
  54  * If an application needs the input methods support, please use the
  55  * inherited method, <code>enableInputMethods(true)</code>.
  56  * <p>
  57  * <strong>Warning:</strong> Swing is not thread safe. For more
  58  * information see <a
  59  * href="package-summary.html#threading">Swing's Threading
  60  * Policy</a>.
  61  * <p>
  62  * <strong>Warning:</strong>

  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package javax.swing;
  26 
  27 import javax.swing.text.*;
  28 import javax.swing.plaf.*;
  29 import javax.accessibility.*;
  30 
  31 import java.io.ObjectOutputStream;
  32 import java.io.ObjectInputStream;
  33 import java.io.IOException;
  34 import java.io.*;
  35 import java.util.Arrays;
  36 
  37 /**
  38  * <code>JPasswordField</code> is a lightweight component that allows
  39  * the editing of a single line of text where the view indicates
  40  * something was typed, but does not show the original characters.
  41  * You can find further information and examples in
  42  * <a href="http://docs.oracle.com/javase/tutorial/uiswing/components/textfield.html">How to Use Text Fields</a>,
  43  * a section in <em>The Java Tutorial.</em>
  44  * <p>
  45  * <code>JPasswordField</code> is intended
  46  * to be source-compatible with <code>java.awt.TextField</code>
  47  * used with <code>echoChar</code> set.  It is provided separately
  48  * to make it easier to safely change the UI for the
  49  * <code>JTextField</code> without affecting password entries.
  50  * <p>
  51  * <strong>NOTE:</strong>
  52  * By default, JPasswordField disables input methods; otherwise, input
  53  * characters could be visible while they were composed using input methods.
  54  * If an application needs the input methods support, please use the
  55  * inherited method, <code>enableInputMethods(true)</code>.
  56  * <p>
  57  * <strong>Warning:</strong> Swing is not thread safe. For more
  58  * information see <a
  59  * href="package-summary.html#threading">Swing's Threading
  60  * Policy</a>.
  61  * <p>
  62  * <strong>Warning:</strong>