How does queue work in java?
What is difference between static class and singleton pattern?
what do you mean by marker interface in java?
How will you call an Applet using Java Script Function?
write a code, we have two thread, one is printing even no and other print the odd no.
How can you generate random numbers in java?
What is an exception?
What is stack class in java?
Difference String and String Buffer
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??
Is java jre still free?
Why we go for collections in java?
What is the difference between synchronized and synchronized block?