Question 1

Using the String method char charAt(int index), what is returned when it is used?

Accepted Answer

The character in the given index

Answer

The characters of the string in its uppercase format

Answer

A substring starting to the character in the given index

Answer

True if it is a character and false if it is a string

Question 2

What will happen if when a method is called?

Accepted Answer

The program temporarily leaves the current method to execute the called method.

Answer

The called method will terminate and the program control will execute other methods in the program.

Answer

None of the Above

Answer

All of the Above

Question 3

Constructor creates an instance for the class.

Is the given statement TRUE? If yes, choose TRUE; otherwise, choose an answer that will replace the underlined word and will make the statement correct.

Accepted Answer

TRUE

Answer

object

Answer

method

Answer

variable

Question 4

Given the program code in the image, what type of method is it?

Accepted Answer

Method that accepts parameter/s and doesn’t return a value

Answer

Method that doesn’t accept a parameter and doesn’t return a value

Answer

Method that accepts parameter/s and returns a value

Answer

Method that doesn’t accept a parameter and returns a value

Question 5

Given the program code in the image, identify what is the constructor defined in it?

Accepted Answer

QuizMethods()

Answer

GetItem()

Answer

main()

Answer

GetAverage()

Question 6

Given the program code in the image, identify what are the parameter/s in the program fragment numbered 3?

Accepted Answer

x, y, z

Answer

double x, double y, double z

Answer

none

Answer

int h, int item

Question 7

Analyze the given the program code below, construct the main function by identifying its syntax and program statements that will give a similar output presented here.

Accepted Answer

https://uploads.quizalize.com/b784486c-8c43-47b6-945f-e81e9c703522/question/e948360cf1a3761a5bcc68da9ef945f6306a4177.png

Answer

https://uploads.quizalize.com/b784486c-8c43-47b6-945f-e81e9c703522/question/08c2b5dabcffa8a1e5d4b25ff6c14c2d1f9f428c.png

Answer

https://uploads.quizalize.com/b784486c-8c43-47b6-945f-e81e9c703522/question/aa3a4c410507019357923593c03ea74adb07ae2c.png

Answer

None of the Above

Question 8

Kindly refer on the image for the string declarations. What will be the output of the statement below?

System.out.println(str3.charAt(10));

Accepted Answer

r

Answer

space

Answer

“ing Pro”

Answer

“ng Prog”

Question 9

Kindly refer on the image for the string declarations. What will be the output of the statement below?

System.out.println(str3.indexOf("Pro"));

Accepted Answer

9

Answer

10

Answer

8

Answer

7

Question 10

Kindly refer on the image for the string declarations. What will be the output of the statement below?

System.out.println(str3.substring(4, 11));

Accepted Answer

“ning Pr”

Answer

“ing Pro”

Answer

“rning P”

Answer

“ng Prog”

Question 11

Evaluate the following statements about methods:

1) It is not a reusable part of computer program.

2) It can produce answer value (return value).

3) It can take in special inputs (parameters).

4) Its idea is similar to functions in mathematics.

Which of the following is not true about methods?

Accepted Answer

Only Statement 1 is not true about methods.

Answer

Both statements 1 and 2 are not true about methods.

Answer

All the above statements are not true about methods.

Answer

Statements 1, 3, and 4 are not true about methods.

Question 12

Examine the following methods:

1) String toUpperCase()

2) int compareTo(String s)

3) String substring(int startIndex)

4) boolean equals (String s)

Which of the given method/s return/s string values?

Accepted Answer

Only Statement 1 and 3

Answer

All the given methods return string values.

Answer

Only Statement 2 and 4

Answer

Only Statement 3 and 4

Question 13

Evaluate the following statements about the ArrayList Class:

1) It is a resizable array.

2) It can be found in the java.util package.

3) It has a method remove() that is used to remove all elements in the array.

4) Elements declared of this class can be sorted in increasing order, alphabetically or numerically.

Which of the following is not true about ArrayList Class?

Accepted Answer

Only Statement 3 is not true about ArrayList Class.

Answer

All the above statements are not true about ArrayList Class.

Answer

Both statements 1 and 2 are not true about ArrayList Class.

Answer

Statements 1, 3, and 4 are not true about ArrayList Class.

Question 14

(1) ______________ itself does nothing but the real functionality is achieved through their (2) _______________.

Accepted Answer

(1) class, (2) objects

Answer

(1) Attribute, (2) Methods

Answer

(1) Object, (2) Classes

Answer

(1) Method, (2) Attribute

Question 15

Say that there are three classes: Employee, Non-Teaching, and Teaching. What are the likely relationships between these classes?

Accepted Answer

Employee is the parent class, Non-Teaching and Teaching are child classes of the Computer.

Answer

Teaching is the parent class. Employee and Non-Teaching are child classes of the Teaching class.

Answer

Employee is a parent class. Teaching is a child class of Employee, then Non-teaching is a child class of Teaching class.

Answer

None of the given options

Question 16

Which of the following is a correct syntax of defining a new class myIpad that inherits the parent class AppleDevice?

Accepted Answer

https://uploads.quizalize.com/b784486c-8c43-47b6-945f-e81e9c703522/question/4263ae4b750792e74cc23d2119e7fc831ebfc44b.png

Answer

https://uploads.quizalize.com/b784486c-8c43-47b6-945f-e81e9c703522/question/e7a8f3c119c8a7924439dbfd0ad273c363d70338.png

Answer

https://uploads.quizalize.com/b784486c-8c43-47b6-945f-e81e9c703522/question/e63a74ebc5718252c4d03a0b9efef7bd0c82b2d6.png

Answer

https://uploads.quizalize.com/b784486c-8c43-47b6-945f-e81e9c703522/question/7ce0da0cbd08e660c5c3eb329626f820a81e7b70.png

Question 17

What type of inheritance is shown in the program code?

Accepted Answer

Single Inheritance

Answer

Hierarchical Inheritance

Answer

Multiple Inheritance

Answer

Multilevel Inheritance

Question 18

What type of inheritance is shown in the program code?

Accepted Answer

Hierarchical Inheritance

Answer

Multiple Inheritance

Answer

Single Inheritance

Answer

Multilevel Inheritance

Question 19

Evaluate the following statements about inheritance in Java:

1) Constructors of the parent class are inherited by child classes.

2) A child class in Java can only have one parent class.

3) A child class does not inherit the private members of its parent class.

4) Multiple inheritance is supported in Java.

Which of the following is not true about inheritance in Java?

Accepted Answer

Both statements 1 and 4 are not true about inheritance in Java.

Answer

All the above statements are not true about inheritance in Java.

Answer

Statements 1, 3, and 4 are not true about inheritance in Java.

Answer

Both statements 1 and 3 are not true about inheritance in Java.

Question 20

Which of the following program fragment can implement the type of inheritance shown in the given image?

Accepted Answer

https://uploads.quizalize.com/b784486c-8c43-47b6-945f-e81e9c703522/question/39692116b2bf18efd071278904332b11cf7d6780.png

Answer

https://uploads.quizalize.com/b784486c-8c43-47b6-945f-e81e9c703522/question/c6e6b04fbd346dd7361d279788f8a96290d2dfdd.png

Answer

https://uploads.quizalize.com/b784486c-8c43-47b6-945f-e81e9c703522/question/35d3a26041de5b231edfde93453cc0377d831329.png

Answer

https://uploads.quizalize.com/b784486c-8c43-47b6-945f-e81e9c703522/question/4964c8b9ad1340a6b30427ebf73d14cf3626b596.png

Question 21

Which of the following statements is invalid?

Accepted Answer

Tutor manuel= new Tutor();

Answer

Tutor sam = new CSTutor();

Answer

CSTutor yman = new JavaTutor();

Answer

Tutor shaan = new JavaTutor();

Question 22

A class Animal and its child class Bird both have a method animalSound(). If test is an object of the type Bird, what will the following code do?

test.animalSound()

Accepted Answer

The method animalSound() defined in the class Bird will be called.

Answer

The method animalSound() defined in the class Animal will be called.

Answer

The program will display compile error.

Answer

Method overloading will be used to pick which animalSound will be called.

Question 23

Given the program code in the image, what will be displayed on the screen?

Accepted Answer

Result is 37.

Answer

Result is 25.

Answer

Result is 15.

Answer

This is an error in running the program code.

Question 24

What type of polymorphism is achieved in the given program code?

Accepted Answer

Method overloading

Answer

Operator overloading

Answer

Method overriding

Answer

none of the given options

Question 25

If a class ClassKo inherits the given abstract class MyClass, what must be done in class ClassKo?

Accepted Answer

Provide an implementation to the abstract method computeGrade.

Answer

Perform a multiple inheritance to implement the abstract class.

Answer

Create an instantiation of the abstract class MyClass.

Answer

none of the given option

Question 26

What is wrong with the given program fragment in the image?

Accepted Answer

The class must be declared as an abstract class because it contains an abstract method.

Answer

The class must contain instance variables.

Answer

There is nothing wrong with the given program fragment.

Answer

The class must be inherited by another class.

Question 27

Polymorphism happens when _____________________.

Accepted Answer

objects of different classes can respond to the same message

Answer

variables are declared private

Answer

one class inherits another class

Answer

a class cannot be instantiated

Question 28

Can an object be a subclass of another object?

Accepted Answer

No, inheritance is only between classes.

Answer

Yes, as long as it is not a multiple inheritance

Question 29

What is true about using the super keyword in a constructor?

Accepted Answer

It must be used in the first statement of the constructor.

Answer

Only one child can use it.

Answer

It can only be used in the parent's constructor

Answer

none of the statement is true

Question 30

In the given program code in the image, identify the variables that are encapsulated in the class and cannot be accessed by other classes.

Accepted Answer

Remarks, age and salary

Answer

Remarks and age only

Answer

age and amt

Answer

salary and age only

Question 31

Given the program code, what will be displayed on the screen?

Accepted Answer

This is the first part of the assessment!

Answer

This is the final part of the assessment!

Answer

This is the main part of the assessment!

Answer

none of the given options

Question 32

In the given image, what step of object creation is represented by the statement inside the rectangle?

Accepted Answer

Initialization

Answer

Declaration

Answer

Instantiation

Answer

Creation

Question 33

The tools provided by the AWT are implemented using each platform's native GUI; hence, preserving the look and feel of each platform.

What characteristic of Java AWT is described in the given statement?

Accepted Answer

Java AWT is platform dependent.

Answer

Java AWT is platform independent.

Answer

Java AWT is a portable platform.

Answer

Java AWT is an object-oriented platform.

Question 34

Evaluate the following statements about Java AWT:

1) Java AWT consists of 15 packages of 370 classes.

2) The java.awt package contains the core AWT classes like component, container, and graphics classes.

3) The java.awt.event package supports event handling.

4) It is an API used to create and manage GUI applications.

Which of the following is true about Java AWT?

Accepted Answer

Statements 2, 3, and 4 are true about Java AWT.

Answer

Statements 1, 2, and 3 are true about Java AWT.

Answer

Both statements 1 and 2 are true about Java AWT.

Answer

All the above statements are true about Java AWT.

Question 35

It is the top-level container of an AWT program.

Accepted Answer

Frame

Answer

Dialog

Answer

Panel

Answer

Applet

Question 36

Which of the following methods is used to change the visibility of the component or container?

Accepted Answer

setVisible()

Answer

setSize()

Answer

setTitle()

Answer

setLayout()

Question 37

The following are examples of events, except ______________.

Accepted Answer

Setting layout of a component

Answer

Entering a character through a keyboard

Answer

Clicking on a button

Answer

Operating system interrupts

Question 38

What is the correct statement that will set the value of an integer variable ave into the textfield txtAve?

Accepted Answer

txtAve.setText(String.valueOf(ave));

Answer

txtAve.setText(ave);

Answer

Integer.parseInt(txtAve.setText(ave));

Answer

txtAve.getText(ave);

Question 39

What is the correct statement that will return an integer representing the number of items in the listChosenScore list component?

Accepted Answer

listChosenScore.getItemCount();

Answer

Integer.parseInt(listChosenScore.getItem(i));

Answer

listChosenScore.getItem(i);

Answer

String.valueOf(listChosenScore.getItemCount());

Question 40

Using the creation of objects in the given image, identify the correct syntax of placing the label with the text "Second" into the container frame.

Accepted Answer

fr.add(l2);

Answer

frame.add(l2);

Answer

fr.addItem(l2);

Answer

frame.addItem(l2);

Question 41

When checkboxes are not grouped; then, it allows the users to check or select only one box.

Accepted Answer

false

Answer

true

Question 42

A layout generates an event.

Is the given statement TRUE? If yes, choose TRUE; otherwise, choose an answer that will replace the underlined word and will make the statement correct.

Accepted Answer

Source

Answer

Action

Answer

Listener

Answer

TRUE

Question 43

In the given image, what is the frame size set by the programmer?

Accepted Answer

width = 350, height = 150

Answer

width = 100, height = 300

Answer

width = 150, height = 350

Answer

width = 300, height = 100

Question 44

Given the source code in the image, how is frame created?

Accepted Answer

By instantiating a Frame class

Answer

both are correct

Answer

By extending Frame class

Answer

none of the above

Question 45

In the image, the label l1 is positioned in what x and y coordinates?

Accepted Answer

x = 50, y = 70

Answer

x = 70, y = 50;

Answer

x = 70, y = 200

Answer

x = 300, y = 30

Question 46

What does the following line of code do?

amount = Integer.parseInt(txtAmt.getText());

Accepted Answer

It converts the string value obtained from txtAmt into integer and store it into the variable amount.

Answer

The string value obtained from the txtAmt is converted into double before it is stored in the variable amount.

Answer

It directly stores the string value to the variable amount.

Answer

None of the given options is correct.

Question 47

Evaluate the given statements below about event handling.

1) The listeners process the event and return the response to the event.

2) A source generates an event.

3) Event is received by one or more listeners.

4) The event is sent to the one or more listeners with the source.

Arrange the given statements on how event handling occurred.

Accepted Answer

2, 4, 3, 1

Answer

4, 3, 2, 1

Answer

2, 3, 4, 1

Answer

4, 2, 3, 1

Question 48

Which component in AWT can contain another components like buttons, textfields, labels, etc.?

Accepted Answer

Container

Answer

Frame

Answer

Panel

Answer

Window

Question 49

Analyze the given program code. If the user inputs bpsucict in the text field txtUser, what will be the output of the code?

Accepted Answer

It will display invalid in the text field txtMsg1.

Answer

It will display an error message.

Answer

It will display the form PizzaOrder.

Answer

It will display input a password in the text field txtMsg1.

Question 50

Analyze the given program code. Which of the following syntax will display the sum of the 3^rd and 5^th item in the list?

Accepted Answer

sum = Integer.parseInt(listScore.getItem(2)) + Integer.parseInt(listScore.getItem(4));

Answer

sum = Integer.parseInt(listScore.getSelectedItem(2)) + Integer.parseInt(listScore. getSelectedItem(4));

Answer

sum = listScore.getItem(2) + listScore.getItem(4);

Answer

sum = listScore.getSelectedItem(2) + listScore.getSelectedItem(4);

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