Why is it important to override hashCode() when you override equals()?

What is the name of the method used to start a thread execution?

Which is the correct command to run an executable JAR file named program.jar?

Which one of the following statements is true about Java Beans?

Calling System.gc() when using a modern JVM :

What is the output? int[] xxx = {10, 20}; List<String> list = new ArrayList<String>(10); list.add("01"); list.add("02"); System.out.println(xxx.length + ", " +list.size());

In your program, you need to read a zip file (myfile.zip) containing several other data files containing basic Java objects. Which of the following will allow you to construct a InputStream for the task?

Which statement is true?

To create a single instance of a class, we can go with

Is "Method" a part of Java Reflection API

What type should you use for floating point monetary calculations?