What is getPassword in Java?
What is getPassword in Java?
JPasswordField.getPassword() returns a char [] instead of a String . This is done for the sake of security. You should compare the characters inside the array instead of seeing if the char [] .equals(a String);
Which of the following method can be used to obtain the password from JPasswordField?
You can get the password using getPassword() method.
What is the difference between jpasswordfield and jjpasswordfield?
JPasswordField (String Password) : constructor that creates a new empty Password field initialized with the given string. JPasswordField (String Password, int columns) : constructor that creates a new empty PasswordField with the given string and a specified number of columns .
How to add a jpasswordfield to a container?
Adding JPasswordField to a container: The password field cannot stand alone. It must be added to a parent container such as JFrame or JPanel. For example: 3. Setting and getting password from JPasswordField For security purpose, the getPassword () method returns a char array instead of a String object.
How to set the Echo character for jpasswordfield in Java?
Commonly used method of JPasswordField : 1 char getEchoChar () : returns the character used for echoing in JPasswordField. 2 setEchoChar (char c) : set the echo character for JPasswordField. 3 String getPassword () : returns the text contained in JPasswordField. 4 String getText () : returns the text contained in JPasswordField.
What is jpasswordfield in JTable?
The class JPasswordField is a component that allows editing of a single line of text where the view indicates that something was typed by does not show the actual characters. JPasswordField inherits the JTextField class in javax.swing package. Constructors of the class are : JPasswordField (): constructor that creates a new PasswordField
