What is an abstract class and what is it’s purpose?
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Can we have multiple public classes in a java source file?
primitive data types in Java ?
Which characters are allowed to use as the second character of an identifier, and which characters are not allowed?
What is the biggest integer?
how can you catch multiple exceptions in java?
Which One is optimal to choose ? Syncronized hash map or Hash table with single thread model? How can a hash map syncronized with out using syncrozed blocks in programm?
Can a singleton class be inherited?
What is the difference between an array and an array list?
How big is a pointer?
Explain about OOPS concepts and fundamentals.
What is the difference between Trusted and Untrusted Applet ?
What is a byte array?