What is variable and rules of variable?
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Difference between prefix and postfix forms of the ++operator?
Can you explain the difference b/n abtract and interface with a good example,?In what cases we have use abtract and what case interface?
When a lot of changes are required in data, which one should be a preference to be used? String or stringbuffer?
What is the arraylist in java?
What are void methods?
What is preparedstatement in java?
basic difference b/w ALL types of JDBC driver.
What is purpose of applet programming?
What are assertions in java?
why String class is immutable.
How we create object in copy constructor?
How many Java environments are there?
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