Commonly used packages, classes, and classes, methods, properties----SQL, and text\swing in a package in Java

Java Commonly used in packages , classes, and classes, methods, and properties in packages

Common packages

java.io.*; java.util.*; java.lang.*; java.sql.*; java.text.*; java.awt.*; javax.swing.*;

package name	interface	class	method	properties
java.sql.*;		public class DriverManager extends Object	static connect Ion getconnection (String url, String user, string  Password)            attempted to establish a connection to a given database URL.  
java.text.*;		public class SimpleDateFormat extends DateFormat	format convert date type to String type Parse String class Type is converted to date.	"Yyyy-mm-dd ' T ' HH:mm:ss. Sssz " 2001-07-04t12:08:56.235-0700  
java.awt.*; java.swing.*;			Layout classes: BorderLayout, GridLayout, CardLayout, FlowLayout Component classes: JButton, Jcheckbox, JcomboBox, JComponent, JDialog, Jframe, Jlist, Jlabel, JToolBar, JMenu, JMenuBar, JMenuItem, Joptionpane, JPasswordField, Jpasswordlabel, JScrollPane, Jsepa Rator, JTextArea For specific users, please refer to Javaapi.

Commonly used packages, classes, and classes, methods, properties----SQL, and text\swing in a package in Java