Tricky Java Questions
Java is most popular programming language. It is widely used programming languange and has many job opportunities. Interviewers often ask tricky questions to check the candidate knowldege about Java programming language. Sometimes experienced programmers also fail to answer tricky questions. In this post, I have picked few conceptual questions that will helped you to have better understanding of Java language. #### Q-1: what will be output of following code ? ``` public static void main(String[] args) { Integer number1 = 100; Integer number2 = 100; if (number1 == number2) { System.out.println("number1 == number2"); } else { System.out.println("number1 != number2"); } ``` #### Answer: ``` number1 == number2" ``` We have compared the references of two Integers. The result is surprising !!!. This is because of the autoboxing. Java uses IntegerCache to suppor...