How can we make sure main() is the last thread to finish in java program?
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How are observer and observable used in java programming?
How will you serialize a singleton class without violating singleton pattern?
Why non nested classes in java are not having marked as protected access specifier
What are the parts of a method?
How many decimal places is a double?
What is the difference between abstract class and interface1? What is an interface?
What is the order of method invocation in an Applet?
What is backdrop?
7) Suppose there is Student class like class student { int age; string name; } We want to store these objects in a HashMap. Do we need to override any methods in Student class? If any which ones and why? what if i just override equals or just hashcode? what will be the results in both the cases?
what are the major differences between jdk1.4 and jdk1.5?
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Why main function is static?
Can we add two byte variables and assign the result to a byte variable ? b=b1+b2 where b,b1,b2 are byte types