Interview Type of Questions

Interview Type of Questions - 2

What is meant by Java ?
What is meant by a class ?
What is meant by a method ?
What are the OOPS concepts in Java ?
What is meant by encapsulation ? Explain with an example
What is meant by inheritance ? Explain with an example
What is meant by polymorphism ? Explain with an example
Is multiple inheritance allowed in Java ? Why ?
What is meant by Java interpreter ?
What is meant by JVM ?
What is a compilation unit ?
What is meant by identifiers ?
What are the different types of modifiers ?
What are the access modifiers in Java ?
What are the primitive data types in Java ?
What is meant by a wrapper class ?
What is meant by static variable and static method ?
What is meant by Garbage collection ?
What is meant by abstract class
What is meant by final class, methods and variables ?
What is meant by interface ?
What is meant by a resource leak ?
What is the difference between interface and abstract class ?
What is the difference between public private, protected and static
What is meant by method overloading ?
What is meant by method overriding ?
What is singleton class ?
What is the difference between an array and a vector ?
What is meant by constructor ?
What is meant by casting ?
What is the difference between final, finally and finalize ?
What is meant by packages ?
What are all the packages ?
Name 2 calsses you have used ?
Name 2 classes that can store arbitrary number of objects ?
What is the difference between java.applet.* and java.applet.Applet ?
What is a default package ?
What is meant by a super class and how can you call a super class ?
What is anonymous class ?
Name interfaces without a method ?
What is the use of an interface ?
What is a serializable interface ?
How to prevent field from serialization ?
What is meant by exception ?
How can you avoid the runtime exception ?
What is the difference between throw and throws ?
What is the use of finally ?
Can multiple catch statements be used in exceptions ?
Is it possible to write a try within a try statement ?
What is the method to find if the object exited or not ?
What is meant by a Thread ?
What is meant by multi-threading ?
What is the 2 way of creating a thread ? Which is the best way and why ?
What is the method to find if a thread is active or not ?
What are the thread-to-thread communcation ?
What is the difference between sleep and suspend ?
Can thread become a member of another thread ?
What is meant by deadlock ?
How can you avoid a deadlock ?
What are the three typs of priority ?
What is the use of synchronizations ?
Garbage collector thread belongs to which priority ?
What is meant by time-slicing ?
What is the use of ‘this’ ?
How can you find the length and capacity of a string buffer ?
How to compare two strings ?
What are the interfaces defined by Java.lang ?
What is the purpose of run-time class and system class
What is meant by Stream and Types ?
What is the method used to clear the buffer ?
What is meant by Stream Tokenizer ?
What is serialization and de-serialisation ?
What is meant by Applet ?
How to find the host from which the Applet has originated ?
What is the life cycle of an Applet ?
How do you load an HTML page from an Applet ?
What is meant by Applet Stub Interface ?
What is meant by getCodeBase and getDocumentBase method ?
How can you call an applet from a HTML file
What is meant by Applet Flickering ?
What is the use of parameter tag ?
What is audio clip Interface and what are all the methods in it ?
What is the difference between getAppletInfo and getParameterInfo ?
How to communicate between applet and an applet ?
What is meant by event handling ?
What are all the listeners in java and explain ?
What is meant by an adapter class ?
What are the types of mouse event listeners ?
What are the types of methods in mouse listeners ?
What is the difference between panel and frame ?
What is the default layout of the panel and frame ?
What is meant by controls and types ?
What is the difference between a scroll bar and a scroll panel.
What is the difference between list and choice ?
How to place a component on Windows ?
What are the different types of Layouts ?
What is meant by CardLayout ?
What is the difference between GridLayout and GridBagLayout
What is the difference between menuitem and checkboxmenu item.
What is meant by vector class, dictionary class , hash table class,and property class ?
Which class has no duplicate elements ?
What is resource bundle ?
What is an enumeration class ?
What is meant by Swing ?
What is the difference between AWT and Swing ?
What is the difference between an applet and a Japplet
What are all the components used in Swing ?
What is meant by tab pans ?
What is the use of JTree ?
How can you add and remove nodes in Jtree.
What is the method to expand and collapse nodes in a Jtree ?
What is the use of JTable ?
What is meant by JFC ?
What is the class in Swing to change the appearance of the Frame in Runtime.
How to reduce flicking in animation ?
What is JDBC ?
How do you connect to the database ? What are the steps ?
What are the drivers available in JDBC ? Explain
How can you load the driver ?
What are the different types of statement s ?
How can you created JDBC statements ?
How will you perform transactions using JDBC ?
What are the two drivers for web apllication?
What are the different types of 2 tier and 3 tier architecture ?
How can you retrieve warning in JDBC ?
What is the exception thrown by JDBC ?
What is meants by PreparedStatement ?
What is difference between PreparedStatement and Statement ?
How can you call the stored procedures ?
What is meant by a ResultSet ?
What is the difference between ExecuteUpdate and ExecuteQuery ?
How do you know which driver is connected to a database ?
What is DSN and System DSN and differentiate these two ?
What is meant by TCP, IP, UDP ?
What is the difference between TCP and UDP ?
What is a proxy server ?
What is meant by URL
What is a socket and server sockets ?
When MalformedURLException and UnknownHost Exception throws ?
What is InetAddress ?
What is datagram and datagram packets and datagram sockets ?
Write the range of multicast socket IP address ?
What is meant by a servlet ?
What are the types of servlets ? Explain
What is the different between a Servlet and a CGI.
What is the difference between 2 types of Servlets ?
What is the type of method for sending request from HTTP server ?
What are the exceptions thrown by Servlets ? Why ?
What is the life cycle of a servlet ?
What is meant by cookies ?
What is HTTP Session ?
What is the difference between GET and POST methods ?
How can you run a Servlet Program ?
How to commuincate between an applet and a servlet ?
What is a Servlet-to-Servlet communcation ?
What is Session Tracking ?
What are the security issues in Servlets ?
What is HTTP Tunneling
How do you load an image in a Servlet ?
What is Servlet Chaining ?
What is URL Rewriting ?
What is context switching ?
What is meant by RMI ?
Explain RMI Architecture ?
What is meant by a stub ?
What is meant by a skelotn ?
What is meant by serialisation and deserialisation ?
What is meant by RRL ?
What is the use of TL ?
What is RMI Registry ?
What is rmic ?
How will you pass parameter in RMI ?
What exceptions are thrown by RMI ?
What are the steps involved in RMI ?
What is meant by bind(), rebind(), unbind() and lookup() methods
What are the advanatages of RMI ?
What is JNI ?
What is Remote Interface ?
What class is used to create Server side object ?
What class is used to bind the server object with RMI Registry ?
What is the use of getWriter method ?
What is meant by Javabeans ?
What is JAR file ?
What is meant by manifest files ?
What is Introspection ?
What are the steps involved to create a bean ?
Say any two properties in Beans ?
What is persistence ?
What is the use of beaninfo ?
What are the interfaces you used in Beans ?
What are the classes you used in Beans ?