Podcast
Questions and Answers
What is the technical term for Java stopping and generating an error message?
What is the technical term for Java stopping and generating an error message?
Answer hidden
What does the 'try' statement in Java allow you to do?
What does the 'try' statement in Java allow you to do?
Answer hidden
What does the 'catch' statement in Java allow you to do?
What does the 'catch' statement in Java allow you to do?
Answer hidden
What does the 'finally' statement in Java allow you to do?
What does the 'finally' statement in Java allow you to do?
Answer hidden
What does the 'throw' statement in Java allow you to do?
What does the 'throw' statement in Java allow you to do?
Answer hidden
What happens if an error occurs in the try block and there is no corresponding catch block?
What happens if an error occurs in the try block and there is no corresponding catch block?
Answer hidden
Which of the following is an example of an exception type available in Java?
Which of the following is an example of an exception type available in Java?
Answer hidden
What does the 'throw' statement require to create a custom error in Java?
What does the 'throw' statement require to create a custom error in Java?
Answer hidden
What method is used to remove all elements from an ArrayList?
What method is used to remove all elements from an ArrayList?
Answer hidden
In Java, at which index does the first element of an array start?
In Java, at which index does the first element of an array start?
Answer hidden
What is the key difference between a built-in array and an ArrayList in Java?
What is the key difference between a built-in array and an ArrayList in Java?
Answer hidden
Which method is used to modify an element at a specific index in an ArrayList?
Which method is used to modify an element at a specific index in an ArrayList?
Answer hidden
What is the ArrayList class in Java?
What is the ArrayList class in Java?
Answer hidden
What type of elements can be stored in an ArrayList?
What type of elements can be stored in an ArrayList?
Answer hidden
What is a similarity between the LinkedList and ArrayList classes in Java?
What is a similarity between the LinkedList and ArrayList classes in Java?
Answer hidden
How does the ArrayList class work when adding elements?
How does the ArrayList class work when adding elements?
Answer hidden
How does the LinkedList store its items?
How does the LinkedList store its items?
Answer hidden
Which method adds an item to the beginning of a LinkedList?
Which method adds an item to the beginning of a LinkedList?
Answer hidden
What kind of collection is a HashSet?
What kind of collection is a HashSet?
Answer hidden
Which method is used to add items to a HashSet?
Which method is used to add items to a HashSet?
Answer hidden
What does polymorphism mean in Java?
What does polymorphism mean in Java?
Answer hidden
What does inheritance allow in Java?
What does inheritance allow in Java?
Answer hidden
Which method is used to get the item at the end of a LinkedList?
Which method is used to get the item at the end of a LinkedList?
Answer hidden
What is a class in object-oriented programming (OOP)?
What is a class in object-oriented programming (OOP)?
Answer hidden
What is encapsulation in OOP?
What is encapsulation in OOP?
Answer hidden
What is polymorphism in OOP?
What is polymorphism in OOP?
Answer hidden
What is inheritance in OOP?
What is inheritance in OOP?
Answer hidden
What is an object in OOP?
What is an object in OOP?
Answer hidden
What is an interface in OOP?
What is an interface in OOP?
Answer hidden
What is method overloading in OOP?
What is method overloading in OOP?
Answer hidden
What is the purpose of a static method in Java?
What is the purpose of a static method in Java?
Answer hidden
What is the key characteristic of an abstract class in Java?
What is the key characteristic of an abstract class in Java?
Answer hidden
What does the method signature of a Java method consist of?
What does the method signature of a Java method consist of?
Answer hidden
What is the purpose of method overloading in Java?
What is the purpose of method overloading in Java?
Answer hidden
Which feature of Java controls the visibility of a method, affecting where it can be accessed from?
Which feature of Java controls the visibility of a method, affecting where it can be accessed from?
Answer hidden
What is the main purpose of getter and setter methods in Java?
What is the main purpose of getter and setter methods in Java?
Answer hidden
What does the Java Collections framework provide?
What does the Java Collections framework provide?
Answer hidden
What defines basic methods for collection classes in Java?
What defines basic methods for collection classes in Java?
Answer hidden
What is the root class for all exceptions and errors in Java?
What is the root class for all exceptions and errors in Java?
Answer hidden
Which type of exceptions are checked at compile-time in Java?
Which type of exceptions are checked at compile-time in Java?
Answer hidden
What does the 'finally' block in Java allow you to do?
What does the 'finally' block in Java allow you to do?
Answer hidden
Which of the following is an example of an unchecked exception in Java?
Which of the following is an example of an unchecked exception in Java?
Answer hidden
What is the process by which an exception is thrown from one method to another or from one part of the program to another?
What is the process by which an exception is thrown from one method to another or from one part of the program to another?
Answer hidden
Which of the following is an example of an error in Java?
Which of the following is an example of an error in Java?
Answer hidden
What is the purpose of the throws clause in a method signature?
What is the purpose of the throws clause in a method signature?
Answer hidden
What is the main difference between checked exceptions and unchecked exceptions in Java?
What is the main difference between checked exceptions and unchecked exceptions in Java?
Answer hidden
What is exception chaining in Java?
What is exception chaining in Java?
Answer hidden
What is the subclass in Java inheritance?
What is the subclass in Java inheritance?
Answer hidden
Which keyword is used to inherit from a class in Java?
Which keyword is used to inherit from a class in Java?
Answer hidden
What is the superclass in Java inheritance?
What is the superclass in Java inheritance?
Answer hidden