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4 cards from this section. Quick, good the night before a test.
What do the states of an object represent?
Think about what details an object holds.
How do we create a new object in Java?
Remember the syntax `ClassName objectName = new ClassName();`.
What keyword is used to create a new object in Java?
Think about the syntax for object creation.
True or False: The this keyword refers to the parent object.
Remember how instance variables and class variables can conflict.
Create a simple class 'Book' with attributes for title and author. Define a constructor to initialize these attributes, and write a method to display the book details. Show how to create and use an object of this class.
Start with defining the attributes and think about how to initialize them using the constructor.
Explain what will happen if an object is created but not referenced in your code. How does Java handle this scenario?
Consider how Java manages memory for unused objects.
6 more questions in this section. Enroll free to practise them all.
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