Pergunta de entrevista da empresa Unisys

What are the main features of Java? • Expect to discuss platform independence (JVM), object-oriented nature, memory management (garbage collection), multithreading, and robustness. • What is the difference between JDK, JRE, and JVM? • JDK (Java Development Kit): Includes tools for developing Java applications. • JRE (Java Runtime Environment): Contains libraries and JVM to run Java applications. • JVM (Java Virtual Machine): Converts bytecode into machine code and executes it. • What are primitive data types in Java? • Byte, short, int, long, float, double, char, boolean. • Explain the final, finally, and finalize() keywords.