| Explain about the three-tier model?
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| What is difference between String & StringBuffer?
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| What is Wrapper class. Is String a Wrapper Class?
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| What are the restriction for static method Purpose of the file class?
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| What is Default modifier in Interface?
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| Difference between Interface & Abstract class?
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| Can abstract be declared as Final?
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| Can we declare variables inside a method as Final Variables?
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| What is the package concept and use of package?
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| How can a dead thread be started?
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| Difference between Applet & Application?
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| What is Life cycle of the Applet?
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| Can Applet have constructors?\
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| Differeence between canvas class & graphics class?
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| Differeence between canvas class & graphics class?
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| Explain about Superclass & subclass.
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| What is AppletStub?
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| Explain Stream Tokenizer?
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| What is the difference between two types of threads?
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| What is Checked & Unchecked exception?
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| What is use of throws exception?s
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| What is finally in exception handling Vector class?
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| What will happen to the Exception object after exception handling?
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| Explain. Two types of multi-tasking.
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| Explain Two ways to create the thread.
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| Explain Synchronization.
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| Explain I/O Filter.
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| Can applet in different page communicate with each other?
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| Why Java is not 100 % pure OOPS ? ( EcomServer )?
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| When we will use an Interface and Abstract class ?
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| How to communicate 2 threads each other ?
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| Describe difference between method overriding and overloading?
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| What is the restriction on an Overridden methods’ accessibility ?
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| What is the restriction on an Overridden methods’ accessibility ?
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| Can a method be overloaded by different return type but same argument type?
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| Can a method be overloaded by different return type but same argument type?
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| What is a "stateless" protocol?
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| What is constructor chaining and how to do this in Java?
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| What is constructor chaining and how to do this in Java?
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| What is passed by ref and by value?
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| What is passed by ref and by value?
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| How to ensure size of a primitive data type?
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| Elaborate the Garbage Collection process in Java ?
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| What is a difference between An interface and an abstract class?
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| In DB access where to write the query. In JSP or servlet?
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| In DB access where to write the query. In JSP or servlet?
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| Explain difference between Constructer and a method |
| Explain difference between Constructer and a method
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| What is serialization in Java?
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| Describe difference between an error and an exception?
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| What are differences between procedural and object oriented language?
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| What are differences between procedural and object oriented language?
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| What is the difference between a Class and an Object ?
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| What are the difference between DDL, DML and DCL commands?
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| Which one is faster DELETE/TRUNCATE?
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| Why threads block or enters to waiting state on I/O?
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| What is RDBMS?
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| What are different normalization forms?
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| What is normalization?
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| What are transient variables in java?
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| How Observer and Observable are used?
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| What is Stored Procedure
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| What is Trigger?
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| What is View?
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| What is Index?
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| What is List interface ?
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| What is SQL?
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| What is the difference between yield() and sleep()?
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| Can we call finalize() method ?
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| What is the initial state of a thread when it is created and started?
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| Can we declare an anonymous class as both extending a class and implementing an interface?
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| What are the components of physical database structure of Oracle database? |
| What are the components of logical database structure of Oracle database?
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| What is the differences between boolean & operator and && operator?
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| What is a tablespace?
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| What is SYSTEM tablespace and when is it created?
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| Explain the relationship among database, tablespace and data file.
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| What is an abstract method ?
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| What is schema?
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| What are Schema Objects?
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| what is a the difference between System.err and System.out
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| Can objects of the same schema reside in different table spaces?
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| Can a tablespace hold objects from different schemes?
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| What is Oracle table?
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| What is an Oracle view?
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| What is the difference between synchronized block and synchronized method ?
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| Do a view contain data?
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| How can you force garbage collection in java?
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| How can you call a constructor from another constructor ?
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| How can you call the constructor of super class ?
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| What must be the order of catch blocks when catching more than one exception?
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| How can we call a method or variable of the super class from child class ?
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| If you are overriding equals() method of a class, what other methods you might need to override ?
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| What is externalizable ?
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| Does garbage collection guarantee that a program will not run out of memory?
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| What is a native method?
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| What is the difference between a continue statement and a break statement? |
| What must a class do to implement an interface?
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| What is the difference between notifyand notifyAll method ?
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| What does wait method do ?
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