What the difference is between execute, execute Query, execute Update?
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What is the size of string?
Does it matter in what order catch statements for filenotfoundexception and ioexception are written?
4.1 Supply contracts (in the form of comments specifying pre- and post conditions) for the enqueue() method of the LinkedQueue class given in the Appendix. (2) 4.2 Let Thing be a class which is capable of cloning objects, and consider the code fragment: Thing thing1 = new Thing(); //(1) Thing thing2 = thing1; //(2) Thing thing3 = (Thing) thing1.clone(); //(3) Explain how the objects thing2 and thing3 differ from each other after execution of the statements. (
diff b/w sleep(1000) and wait(1000)?
Which collection is ordered in java?
How will you serialize a singleton class without violating singleton pattern?
The following program is Overloading or Overriding? public class PolymorphismEx { public int sampleMethod(int a) { return a; } public String sampleMethod(int a) { return "Is it Overloading or Overriding???"; } }
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which method throws exception of type Throwable
What are the types of strings?
What is thin driver and thick driver. why it is called so?
Is null a string?
What is polymorphism in java? What are the kinds of polymorphism?