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What is a default package ?

The java.lang is the default package which is automatically 
imported in each of the java source file.

More interview questions and answers
What is finally method in Exceptions ?
What are the types of access modifiers ?
What are the other modifiers in java ?
Is synchronized modifier ?
What is meant by polymorphism ?
What is inheritance ?
What is method Overloading ?
What is method Overriding ?
Does java support multi dimensional arrays ?
Is multiple inheritance used in Java ?
Is there any tool in java that can create reports ?
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 mean by JVM ?
What is meant by identifiers ?
What are the different types of modifiers ?
What are the primitive data types in Java ?
What is mean by a wrapper class ?
What is Garbage collection ?
What is mean by final class, methods and variables ?
What is mean by interface ?
What is the difference between an array and a vector ?
What is singleton class ?
What is constructor ?
What is casting ?
What is the difference between final, finally and finalize ?
What is mean by packages in java?
Name 5 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 anonymous class ?
What is the use of an interface ?
What is a serializable interface ?
How to prevent field from serialization ?
What is the difference between throw and throws ?
Can multiple catch statements be used in exceptions ?
Is it possible to write a try within a try statement ?
What is mean by a Thread ?
What is mean 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 is the difference between sleep and suspend ?
Can thread become a member of another thread ?
What are the three types of priority ?
Garbage collector thread belongs to which priority ?
What is the use of this ?
How can you find the length and capacity of a string buffer ?
How to compare two strings ?
What is the purpose of run-time class and system class?
What is the method used to clear the buffer ?
What is mean by Stream Tokenizer ?
What is serialization and de-serialisation ?
What is mean 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 mean by getCodeBase and getDocumentBase method ?
What is the use of parameter tag ?
What is the difference between getAppletInfo and getParameterInfo ?
How to communicate between applet and an applet ?
What is mean by event handling ?
What are all the listeners in java and explain ?
What is mean 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 the difference between list and choice ?
What are the different types of Layouts ?
What is mean by CardLayout ?
What is the difference between GridLayout and GridBagLayout?
Which class has no duplicate elements ?
What is mean by Swing ?
What is the difference between an applet and a Japplet?
What are all the components used in Swing ?
What is mean by tab pans ?
What is the use of JTree ?
What is the use of JTable ?
What is mean by JFC ?
What is JAR file ?
What is mean by manifest files ?
What is two properties in Beans ?
What is the use of beaninfo ?
What are the interfaces you used in Beans ?
What are the classes you used in Beans ?
What is the difference between C++ & Java ?
What is the difference between Process and Threads ?
How will you initialize an Applet ?
What is the order of method invocation in an Applet ?
When is update method called ?
What is JNI ?
What is the base class for all swing components ?
Is there any tag in HTML to upload and download files ?
What is the Layout for ToolBar ?
How will you add panel to a Frame ?