-
Java SUPER
Is SUPER a keyword or method? Explain Why?
usmansleem
- May 24th, 2011
This is basically used to call the constructor of the base class. It is a method of course.
Narsi Reddy
- Apr 29th, 2011
Super is a keyword in Java because it is defined as keyword in java and super is not a keyword or variable which belongs to any class.
-
JVM is platform independent/dependent? why?
which one is faster in execution Array List or Array? why?
-
Does JVM maintain a cache by itself? Does the JVM allocate objects in heap? Is this the OS heap or the heap maintained by the JVM? Why
ch.ramachandrakumar
- Nov 16th, 2007
Whenever the object is created by the JVM, the object is allocated in the free space called heap. The object reference placed in the frame, which is the smallest part in the stack. (stack is built up of many smallest frames). (frame is the smallest memory in the stack).
-
What are the primitive types in Java
sampra
- Feb 14th, 2008
primtive datatyp is non object datatypeint chat short byte long float double boolean
teju
- Nov 5th, 2007
Primitive type means .int char double float string single long .............
-
How can you load the drivers?
Loading the driver or drivers you want to use is very simple and involves just one line of code. If, for example, you want to use the JDBC-ODBC Bridge driver, the following code will load it:Eg.Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");Your driver documentation will give you the class name to use. For instance, if the class name is jdbc.DriverXYZ , you would load the driver with the following line...
sudhakar
- Sep 9th, 2007
by using:Class.forName("oracle.jdbc.driver.OracleDriver");Connection con=DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:xe","scott","tiger");in the above way we can load the drivers.
shekarGeek
- Jul 25th, 2007
There are 2 ways to load the dirvers1.By usiing Class.forName();Ex- Class.forName("jdbc.odbc.OracleDriver");2.By using DriverManager.Driver thind=new Driver("jdbc:odbc:OracleDriver");DriverManager.registerDriver(thind);
-
What are the steps involved in establishing a connection?
This involves two steps: (1) loading the driver and (2) making the connection.
shekarGeek
- Jul 25th, 2007
Steps to follow establish a connection1.import required(sql) package.import java.sql.*;import javax.sql.*;javax.sql-----------------------1Data source 2Connection pooling 3Distributed transactions 5Ro...
rameshvdnv
- Apr 25th, 2007
1)Register the driver with the drivermanagerDriver drv=new oracle.jdbc.driver.OracleDriver();Drivermanager.registerDriver(drv);Connection con=Drivermanager.getConnection("jdbc:oracle:thin:@localhost:1521:xe","scott","tiger");
-
What are the two major components of JDBC?
One implementation interface for database manufacturers, the other implementation interface for application and applet writers.
sujatham
- Feb 7th, 2008
JDBC has four major components:1.The JDBC API2.The JDBC Driver Manager3.The JDBC Test Suite4.The JDBC-ODBC Bridge The first two components of JDBC,the JDBC API and the JD...
Vasavi
- Sep 18th, 2007
The two major components of JDBC are 1. JDBC API: is a programming interface for database application developers, and2. JDBC Driver API: is a lower-level programming interface for developers of specific drivers.
