Difference between string, string builder, and string buffer?
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What is Vector?Can you elaborate how Vector is Thread safe?
What does java final mean?
Why strings in java are called as immutable?
What do negative exponents mean?
What is numeric data type?
What is JVM ?
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What causes memory leaks in java?
I want to print “hello” even before main is executed. How will you acheive that?
What is use of static in java?
In what types of operations an ArithmeticException will be thrown?
If an object reference is set to null, will the garbage collector immediately free the memory held by that object?
What differences exist between iterator and listiterator?