Where is stringbuffer stored?
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Write a program to check string is palindrome without using loop?
How OOPS concept is achieved in Java?
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Can we call the Thread.sleep in Synchyronozed block?
How many types of array are there?
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??
What is classpath?
What is the purpose of the System class?
how to use finalize()Method to resources
Are strings immutable in java?
What is multiple inheritance? Is it supported by java?
Can we serialize arraylist in java?
can we declare private class in java file?