What are the different types of constructor?
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What are the drawbacks of reflection?
what is polymorhism what is inheritance? what is Abstract n Interface? what if two interfaces have same method and a concrete class is implementing both the interfaces. Will there be a compilation error? What are mutable and immutable classes? How can u make a class mutable? when will u use dem ...explain with example? what is overriding and overloading? what is garbage collection? what is Thread? how do dey communicate? what are the different ways of implementing ? have u used any messaging technologies? what is synchronization? what are some additions in java 1.5? what are generics? whst is advanced for loop? what is finally block? can u have a try in finally? yes!! can u have a finally in finally? how do you write junits? when is a object eligible for garbage collection?explain? a = null and b has ref to a will b be eligible to be garbage collected? sql questions like diff joins? how do dey work? exception handling? what is marker interface? what is the need??
In a class implementing an interface, can we change the value of any variable defined in the interface?
What is a data structure java?
Is java developer a good career?
When super keyword is used?
What is break and continue statement?
Explain Big-O notation with an example
What are the special characters?
What are the four versions of java?
What does it mean to be immutable?
How many ways can an argument be passed to a subroutine and explain them?