Podcast
Questions and Answers
What method is used to remove all elements in an ArrayList?
What method is used to remove all elements in an ArrayList?
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How are array indexes numbered in Java?
How are array indexes numbered in Java?
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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?
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What type of objects do elements in an ArrayList represent?
What type of objects do elements in an ArrayList represent?
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Which class can contain many objects of the same type and has all the same methods as the ArrayList class?
Which class can contain many objects of the same type and has all the same methods as the ArrayList class?
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What method is used to modify an element in an ArrayList?
What method is used to modify an element in an ArrayList?
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Which package contains the ArrayList class in Java?
Which package contains the ArrayList class in Java?
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What does the ArrayList class have inside it?
What does the ArrayList class have inside it?
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How does the ArrayList class handle adding elements when the array is not big enough?
How does the ArrayList class handle adding elements when the array is not big enough?
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How does the LinkedList store its items?
How does the LinkedList store its items?
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Which method adds an item to the beginning of a LinkedList?
Which method adds an item to the beginning of a LinkedList?
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What is a HashSet in Java?
What is a HashSet in Java?
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How are items added to a HashSet?
How are items added to a HashSet?
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What is polymorphism in Java?
What is polymorphism in Java?
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How is inheritance achieved in Java?
How is inheritance achieved in Java?
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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?
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What does the 'finally' statement in Java allow you to do?
What does the 'finally' statement in Java allow you to do?
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Which keyword is used to create a custom error in Java?
Which keyword is used to create a custom error in Java?
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What does the 'catch' statement in Java allow you to do?
What does the 'catch' statement in Java allow you to do?
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What is the purpose of the 'try' statement in Java?
What is the purpose of the 'try' statement in Java?
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What is the process of simplifying complex systems by modeling classes based on the essential properties and behaviors they possess?
What is the process of simplifying complex systems by modeling classes based on the essential properties and behaviors they possess?
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Which mechanism allows a class to inherit properties and behaviors from another class, promoting code reuse and establishing a relationship between classes?
Which mechanism allows a class to inherit properties and behaviors from another class, promoting code reuse and establishing a relationship between classes?
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What is the ability of objects of different types to be treated as objects of a common type?
What is the ability of objects of different types to be treated as objects of a common type?
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What is a blueprint or template for creating objects, defining the properties and behaviors that objects of the class will have?
What is a blueprint or template for creating objects, defining the properties and behaviors that objects of the class will have?
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What is the bundling of data and methods within a single unit, restricting access to some components and preventing accidental modification of data?
What is the bundling of data and methods within a single unit, restricting access to some components and preventing accidental modification of data?
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What promotes code reuse and establishes a relationship between classes?
What promotes code reuse and establishes a relationship between classes?
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What represents an instance of a class, encapsulating data and behavior?
What represents an instance of a class, encapsulating data and behavior?
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What includes compile-time polymorphism (method overloading) and runtime polymorphism (method overriding)?
What includes compile-time polymorphism (method overloading) and runtime polymorphism (method overriding)?
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What defines a contract for classes that implement it, ensuring that those classes provide specific functionalities?
What defines a contract for classes that implement it, ensuring that those classes provide specific functionalities?
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What is the collection of abstract methods used to achieve abstraction?
What is the collection of abstract methods used to achieve abstraction?
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What does an abstract class in Java allow?
What does an abstract class in Java allow?
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What is the purpose of method overloading in Java?
What is the purpose of method overloading in Java?
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What does a static variable/method belong to in Java?
What does a static variable/method belong to in Java?
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Which Java feature allows controlled access to a class's attributes?
Which Java feature allows controlled access to a class's attributes?
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What is the purpose of access modifiers in Java?
What is the purpose of access modifiers in Java?
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What does the Java Collections framework provide?
What does the Java Collections framework provide?
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Which concept is an important addition to the Java language, introduced in Java 5?
Which concept is an important addition to the Java language, introduced in Java 5?
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What do interfaces like Collection, List, Set, Queue, and Map define?
What do interfaces like Collection, List, Set, Queue, and Map define?
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Which classes provide specific implementations of collection interfaces in Java?
Which classes provide specific implementations of collection interfaces in Java?
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What does a method signature uniquely identify in a class?
What does a method signature uniquely identify in a class?
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Which statement about Checked Exceptions in Java is most accurate?
Which statement about Checked Exceptions in Java is most accurate?
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What is the purpose of the 'finally' block in a try-catch-finally construct in Java?
What is the purpose of the 'finally' block in a try-catch-finally construct in Java?
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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?
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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?
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What does the 'throws' clause in a method signature allow in Java?
What does the 'throws' clause in a method signature allow in Java?
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Which of the following is an example of an Error in Java?
Which of the following is an example of an Error in Java?
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What is the process by which an exception is thrown from one method to another or from one part of the program to another called?
What is the process by which an exception is thrown from one method to another or from one part of the program to another called?
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What is the root class for all exceptions and errors in Java?
What is the root class for all exceptions and errors in Java?
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Which of the following is an example of a custom exception in Java?
Which of the following is an example of a custom exception in Java?
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What is the term for throwing a new exception within a catch block, often with additional information, while preserving the information about the original exception?
What is the term for throwing a new exception within a catch block, often with additional information, while preserving the information about the original exception?
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