How many types of interfaces are there?
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What is the best definition for data?
What is difference overloading and overriding?
Q1.A. Write note on “The class path Environment Variable”? B. Which are different kinds of source code? Q2.A. How to create an interface? B. Why convert an applet to an application? Q3.A. How to use Media tracker Class. B. How to use string tokenizer class. Q4 A. Explain the overview of UDP messaging. B. Difference between SQL Exception class and SQL Warning class. Q5. A. How to create com object in Java? B. Write short notes on “The properties class” Q6. A. When object is created and destroyed? B. Explain the JDB in depth & command line. C. Write short notes on Web Sites.
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Can we store variables in local blocks?
What is the inheritance?
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how to execute main()
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What is scope of a variable?
Why is singleton not thread safe?