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What is preparedstatement in java?
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What is module in oop?
class A{ some variables; public void a()throws Excepion1,Exception2{....} } class B extends A{ variables... public void a()throws E2,E3{.....} } Qns: here override of methods occurs or not,ore else wil give any compilation error or run properly..plz tell me briefly whts happening with the above codes....
What is the program development process?
what is bytecode ?explain in detail and watz the difference between bytecode and machine code?
What is the difference between @before and @beforeclass annotation?
What is replacefirst in java?
How destructors are defined in java?
what is the Use of throws exception?
Can you extend singleton class?
What is the purpose of encapsulation?
when i write string s1="java"; in one program(application) and string s2="java"; in another application on the same jvm will both objects s2,s2 will refer to same memory location where "java" is stored in string pool.
what do you understand by the term string with respect to java?
Core Java 
