Back to Using Objects

Lesson PreviewLesson 8 of 10 in this unit

2.7 String Methods

Part of Using Objects in AP® Computer Science A. Read the opening section, then create a free account for the full interactive lesson, practice, and progress tracking.

Start free

String Methods

Remember how strings are reference data types, meaning that they are actually objects? Strings in Java are objects that belong to the String class. This means they come with built-in actions (called methods) that can be used to work with them.

In this unit

10 lessons

  1. 2.1Objects: Instances of ClassesPreview lesson
  2. 2.2.1Creating and Storing Objects (Instantiation)Preview lesson
  3. 2.2.2Constructors, parameters, and methodsPreview lesson
  4. 2.3Calling a Void MethodPreview lesson
  5. 2.4Calling a Void Method with ParametersPreview lesson
  6. 2.5Calling a Non-void MethodPreview lesson
  7. 2.6String Objects: Concatenation, Literals, and MorePreview lesson
  8. 2.7String MethodsThis lesson
  9. 2.8Wrapper Classes: Integer and DoublePreview lesson
  10. 2.9Using the Math ClassPreview lesson

Continue the full lesson in Stellar

Create a free account to unlock the remaining sections, checkpoints, course practice, and progress tracking for AP® Computer Science A.

Start free