Java Quiz Which of the following are the wrapper classes? A. Random B. Vector C. Byte...

Question

Question

Java Quiz

Which of the following are the wrapper classes?
A. Random
B. Vector
C. Byte
D. all of the above

engineering Computer-Science

Answer 1

Answer #1

Answer: Option C: Byte

Explanation:

Wrapper classes are the objects with collection of primitive data types; Byte is the wrapper class of byte data type.

Answer 2

Similar Homework Help Questions

Java Quiz Which of the following represent legal flow control statements? A. break; B. break(); C....

Java Quiz Which of the following represent legal flow control statements? A. break; B. break(); C. continue(inner); D. all of the above
Those questions are about Java. Question 2 Which of the following is NOT a wrapper class?...

Those questions are about Java. Question 2 Which of the following is NOT a wrapper class? Integer Double String Character Flag this Question Question 3 Which of the following kinds of things may be stored directly in an ArrayList? None of the above primitive values Either of these two kinds of data object references Flag this Question Question 4 In this declaration: ArrayList<Point> polygon; what do we call 'Point'? a type argument a wrapper class a collection a variable Flag...
Topic: JAVA 18) Abstract methods are used when defining A) interface classes B) derived classes C)...

Topic: JAVA 18) Abstract methods are used when defining A) interface classes B) derived classes C) classes that have no constructor D) arrays E) classes that have no methods 32) Which of the following GUI classes requires that it have a LayoutManager before any GUI components are added to it? A) JButton B) JSlider C) JPanel D) JFrame E) both C and D but not A or B 33) In using the BoxLayout, adding space between components in a container...

1. What does a Java compiler do? Select one: a. Runs Java programs b. Translates byte...

1. What does a Java compiler do? Select one: a. Runs Java programs b. Translates byte code in ".class" files into machine language c. Translates source code in ".class" files into machine language d. Translates source code in ".java" files into Java byte code in ".class" files e. Translates source code in ".java" files into machine language 2. A subclass will _____ one superclass. Select one: a. abstract b. extend c. implement d. inherit e. override 3. Consider the following...
QUESTION 2: Elementary Java Programming (a) Explain what a Wrapper class is in Java and provide...

QUESTION 2: Elementary Java Programming (a) Explain what a Wrapper class is in Java and provide an example of one and what it [06] "wraps". (b) You have been given an array of elements to search through for a particular value. [02] Which loop would you choose between a for loop and a for-each loop and why? (c) In Java what is the difference between a StringBuilder and StringBuffer? What [02] are they used for? Total: 10
Answer the following: a. byte a = 10, b = 6; byte c = a...

Answer the following: a. byte a = 10, b = 6; byte c = a ^ c; What is the value of a? b. byte a = 12, b = 6; byte c = a ^ b; What is the value of c?

*Java* Given the attached Question class and quiz text, write a driver program to input the...

*Java* Given the attached Question class and quiz text, write a driver program to input the questions from the text file, print each quiz question, input the character for the answer, and, after all questions, report the results. Write a Quiz class for the driver, with a main method. There should be a Scanner field for the input file, a field for the array of Questions (initialized to 100 possible questions), and an int field for the actual number of...
Need a program in java that creates a random addition math quiz The program should ask...

Need a program in java that creates a random addition math quiz The program should ask the user to enter the following The smallest and largest positive numbers to be used when generating the questions - The total number of questions to be generated per quiz - The total number of the quiz's to create from then the program should generate a random math (Just addition) quiz from what the user entered
**JAVA** Using Random rand = new Random(); Which of the following expression generates a random integer...

**JAVA** Using Random rand = new Random(); Which of the following expression generates a random integer between 20 and 100, inclusive? A. rand.nextInt() % 80 + 20 B. rand.nextInt() % 81 C. rand.nextInt() % 80 D. rand.nextInt() % 81 + 20

Need a program in java that creates a random addition math quiz The program should ask...

Need a program in java that creates a random addition math quiz The program should ask the user to enter the following The smallest and largest positive numbers to be used when generating the questions - The total number of questions to be generated per quiz - The total number of the quiz's to create