Podcast
Questions and Answers
What is a class in Java comparable to in real life?
What is a class in Java comparable to in real life?
- A set of attributes and methods
- A variable declaration
- An object itself
- A blueprint for creating objects (correct)
What is the correct way to declare a class in Java?
What is the correct way to declare a class in Java?
- class Main {
- java class Main {
- public class main {
- public class Main { (correct)
What is an object in Java created from?
What is an object in Java created from?
- A variable declaration
- A Java server
- A class (correct)
- A set of attributes and methods
What is the name of the Java file that should match the class name?
What is the name of the Java file that should match the class name?
What is the initial value of the variable x in the class Main?
What is the initial value of the variable x in the class Main?
What is the syntax to create an object of a class?
What is the syntax to create an object of a class?
What is the output of the code: public class Main { int x = 5; public static void main(String[] args) { Main myObj1 = new Main(); Main myObj2 = new Main(); System.out.println(myObj1.x); System.out.println(myObj2.x); } }
What is the output of the code: public class Main { int x = 5; public static void main(String[] args) { Main myObj1 = new Main(); Main myObj2 = new Main(); System.out.println(myObj1.x); System.out.println(myObj2.x); } }
What is the purpose of creating multiple objects of a class?
What is the purpose of creating multiple objects of a class?
What is the rule for naming a Java file?
What is the rule for naming a Java file?
What is the benefit of using multiple classes in Java?
What is the benefit of using multiple classes in Java?
What is the main difference between procedural programming and object-oriented programming?
What is the main difference between procedural programming and object-oriented programming?
What is the advantage of using OOP in terms of code maintenance?
What is the advantage of using OOP in terms of code maintenance?
What is the relationship between a class and an object in OOP?
What is the relationship between a class and an object in OOP?
What is the principle of 'Don't Repeat Yourself' (DRY) in OOP?
What is the principle of 'Don't Repeat Yourself' (DRY) in OOP?
What is the characteristic of OOP that makes it possible to create full reusable applications?
What is the characteristic of OOP that makes it possible to create full reusable applications?
What is the programming language that is based on object-oriented programming?
What is the programming language that is based on object-oriented programming?
What is the term used for variables within a class?
What is the term used for variables within a class?
How do you access attributes in a class?
How do you access attributes in a class?
What is the output of running the 'Second.java' file?
What is the output of running the 'Second.java' file?
What is the term used for 'x' in the example Main class?
What is the term used for 'x' in the example Main class?
How do you compile 'Main.java' and 'Second.java' files?
How do you compile 'Main.java' and 'Second.java' files?
What is the name of the class created in the 'Second.java' file?
What is the name of the class created in the 'Second.java' file?
What is the output of the code when we print the value of x in the following code: public class Main { int x = 5; public static void main(String[] args) { Main myObj = new Main(); System.out.println(myObj.x); } }
What is the output of the code when we print the value of x in the following code: public class Main { int x = 5; public static void main(String[] args) { Main myObj = new Main(); System.out.println(myObj.x); } }
What happens when we modify the attribute values in one object, but not in another?
What happens when we modify the attribute values in one object, but not in another?
How many attributes can you specify in a class?
How many attributes can you specify in a class?
What happens when we override the value of x with 25?
What happens when we override the value of x with 25?
What is the purpose of the x attribute in the following code: public class Main { int x = 5; ... }?
What is the purpose of the x attribute in the following code: public class Main { int x = 5; ... }?
What is the output of the code when we print the values of fname, lname, and age in the following code: public class Main { String fname = "John"; String lname = "Doe"; int age = 24; ... }?
What is the output of the code when we print the values of fname, lname, and age in the following code: public class Main { String fname = "John"; String lname = "Doe"; int age = 24; ... }?
