Pergunta de entrevista da empresa NEC Corporation

1. Tell me about yourself. 2. Show me the android app you developed using Java. (No documents was asked before the interview) 3. Write a Java program to check if the string is a palindrome. 4. What is the difference between stringstream and stringbuffer? 5. Design a WhatsApp chat system (How would you encapsulate them) Some more questions regarding Java.