What is nullpointerexception?
Which graphs are functions?
Can list be null in java?
What is the use of System class?
What is difference between filereader and bufferedreader?
What is the differences between c++ and java? Explain
What part of memory - Stack or Heap - is cleaned in the garbage collection process?
What is unicode?
What is a numeric format?
What is the relationship between class and object?
Java Compiler is stored in JDK, JRE or JVM?
What is deserialization?
explain autoboxing in java?