Exam 3: Introduction to Objects and Inputoutput

If length denotes the length of a nonnull string, then length - 1 gives the index of the last character in the string.

Given a decimal number, the method format of the class String returns the string containing the digits of the formatted number.

The default output of decimal numbers of the type float is up to nine decimal places.

Suppose the String variable str points to the String object "Sunny day" at the memory address 3600. Then the value of str is:

The class JOptionPane allows a programmer to use graphical interface components to obtain input from a user.

To use the contents of the java.lang package in a program, they must be imported using the import statement.

String objects are mutable.

Based on the code above, what is the value of str1?

Which of the following is the member access operator?

The class JOptionPane is part of the package java.swing.