Which of the following is an example of string concatenation?

Select one:

Abstraction is the process of simplifying something by reducing it to its key characteristics. This allows programmers to work with ideas and concepts on a higher level, without worrying about every little detail.

Which of the following is NOT an example of abstraction in Java programming?

Select one:

What does the acronym OOP stand for?

Select one:

Which of the following expressions will check if two String objects contain exactly the same characters?

Your strings are named first and second.

Select one or more:

What character is used to escape special characters in a Java string literal?

Select one:

Examine the following lines of code:

String original = "original string";
String changed = original + " changed";

You are working with a Person object that has three String properties: firstName, middleName, and lastName.
You need to determine the initials of the Person, which will be a String of three characters.

Which String method will best help you accomplish this task?

Select one:

Examine the code below:

String answer;
answer = "" + (5 + 5);
System.out.println(answer.length());

Examine the following lines of code:

String title = "The Fun Party";
title = title.toLowerCase();
System.out.println(title);

Unlike the int and char types, which are primitives, Strings are actual Java objects. Which of the following is true about both objects and primitive types?

Select one: