Java SE 13: Semantics of Method Invocation & Nested Classes
Java
| Intermediate
- 10 videos | 1h 23m 4s
- Includes Assessment
- Earns a Badge
This course examines Java's support for exceptions and covers three specific topics: initialized blocks, the details of pass-by-value and pass-by-reference semantics, and the two types of nested classes. You will work in Java with initialization blocks on both static member values to construct static elements in your class and on non-static member variables as an alternative to constructors. This course uses examples of pass-by-value and pass-by-reference code to demonstrate how variables behave when they are passed from one function to another in arrays and strings. Next, learners explore the semantics of argument passing for primitive types, strings, and for objects. You will experiment with arrays and learn to use the Arrays.toString helper method. You will learn the rules and conventions that govern the two types of nested classes: static classes and inner classes. Finally, learn how a static class is created or nested inside a class, and how inner classes can logically group classes and interfaces in one place.
WHAT YOU WILL LEARN
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Discover the key concepts covered in this course
Use initialization blocks to appropriately initialize static and non-static member variables
Recognize how variables of primitive types are governed by pass-by-value semantics in java
Recognize how variables of reference types are governed by pass-by-reference semantics in java
Avoid pitfalls related to re-initialization and modification of objects (reference types) while invoking functions in java -
Correctly define static nested classes
Correctly initialize objects of static nested classes
Correctly define inner classes
Correctly initialize objects of inner classes
Summarize the key concepts covered in this course
IN THIS COURSE
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2m 6s
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11m 15sLearn how to use initialization blocks to initialize static and non-static member variables. FREE ACCESS
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3. Pass-by-Value9m 58sUpon completion of this video, you will be able to recognize how variables of primitive types are governed by pass-by-value semantics in Java. FREE ACCESS
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4. Pass-by-Reference10m 47sUpon completion of this video, you will be able to recognize how variables of reference types are governed by pass-by-reference semantics in Java. FREE ACCESS
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5. Modification vs. Re-initialization9m 31sLearn how to avoid pitfalls related to re-initialization and modification of objects (reference types) while invoking functions in Java. FREE ACCESS
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6. Defining Static Nested Classes9m 30sFind out how to correctly define static nested classes. FREE ACCESS
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7. Using Static Nested Classes9m 12sFind out how to correctly initialize objects of static nested classes. FREE ACCESS
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8. Defining Inner Classes9m 24sLearn how to correctly define inner classes. FREE ACCESS
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9. Using Inner Classes10m 14sIn this video, find out how to correctly initialize objects of inner classes. FREE ACCESS
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10. Course Summary1m 8s
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