Deck 1: Introduction

Question 1

In Java, total, ToTal and TOTAL are all different identifiers.

Answer 1

True
Explanation: Java is case-sensitive, so these three identifiers are all different.

Question 2

Which of the following is not one of the four basic software development activities?

A) establishing the requirements
B) creating a design
C) preliminary practice coding
D) testing
E) implementing the design

Answer 2

C
Explanation: Preliminary practice coding is not one of the four basic software development activities. Establishing the requirements for a program, creating a design for a program, implementing the design and testing the program all occur during software development.

Question 3

In Java, an identifier that is made up by the programmer can consist of ___________________.

A) any characters
B) only numbers
C) only letters
D) only letters, the underscore ( _ ), and the dollar sign ( $ )
E) numbers, letters, the underscore ( _ ), and the dollar sign ( $ )

Answer 3

E
Explanation: In Java, an identifier can consist of numbers, letters, the underscore and the dollar sign, but it cannot begin with a number.

Question 4

Which of the following will is considered a logical error?

A) forgetting a semicolon at the end of a programming statement
B) typing a curly bracket when you should have typed a parenthesis
C) multiplying two numbers when you meant to add them
D) dividing by zero
E) misspelling an identifier

Question 5

Java is _____________________.

A) a procedural language
B) a functional language
C) an object-oriented language
D) a fourth-generation language
E) a spoken-language

Question 6

Comments affect the run-time execution of a program.

Question 7

Software requirements specify ____________________.

A) what a program should accomplish
B) which programming language the developer should use
C) how objects should be encapsulated
D) how a solution should be implemented
E) a programming schedule

Question 8

Classes can be created from other classes by using _______________ .

A) encapsulation
B) polymorphism
C) inheritance
D) attributes
E) machine code

Question 9

The Java compiler translates Java source code into _____________ .

A) Java bytecode
B) C++
C) assembly code
D) machine code
E) an object-oriented language

Question 10

An identifier can begin with a digit.

Question 11

Which of the following lines is a properly formatted comment?

A) // This is a comment
B) /* This is a comment */
C) /* this is a comment
*/
D) both a and b
E) a, b and c

Question 12

_____________ consists of specific words and symbols to express a problem solution.

A) A programming language
B) Software
C) Hardware
D) A computer
E) An application

Question 13

Java is case-sensitive.

Question 14

Which of the following might be included in an IDE?

A) a compiler
B) an editor
C) a debugger
D) all of the above
E) none of the above

Question 15

Which of the following describes the act of ensuring that a program solves the intended problem in all cases?

A) establishing the requirements
B) testing
C) preliminary practice coding
D) implementing the design
E) creating a design

Question 16

Which of the following is not a valid Java identifier?

A) answer_7
B) highest$
C) anExtremelyLongIdentifierIfYouAskMe
D) 2ndlevel
E) thirdNumber

Question 17

The _____________ of an object define it define its potential behaviors.

A) attributes
B) white spaces
C) variables
D) methods
E) name

Question 18

In order for a program to run on a computer, it must be expressed in ______________________.

A) an assembly language
B) a machine language
C) a high-level language
D) an object-oriented language
E) a fourth generation language

Question 19

A reserved word can be used to name a method.

Question 20

A syntax error is a _____________________.

A) a logical error
B) a compile-time error
C) a run-time error
D) a bug
E) an exception

Question 21

Write an application that prints the first few lines of a song (your choice).

Question 22

Give three examples of Java reserved words.

Question 23

Explain the difference between a compile-time error and a run-time error. Give an example of each.

Question 24

Write a short Java program that outputs your name, your major, and your birthday on three different lines.

Question 25

These two snippets of code are identical from the point of view of the compiler:
//snippet 1
public static void main(String [] args) {
System.out.println("Hi!");
}
//snippet 2
public static void main(String [] args){System.out.println("Hi!");}

Question 26

An interpreter is a program that translates code that is written in one language into equivalent code in another language.

Question 27

What are the primary concepts that support object-oriented programming?

Question 28

Write a short application that prints out a list of classes that you are currently taking.

Question 29

Determine a good identifier for each of the following entities in a program that calculates the final grade:
a) A grade on the first test of the semester
b) The total number of tests
c) The total number of homework assignments
d) The relative weight of the tests

Question 30

Why is ambiguity a problem for programming languages?

Question 31

Identify the syntax errors in the following snippet of code:
public clas Hello {
public static void main(String [] args) {
Sytem.out.println("Hello Wrld!")
}
}

Question 32

Name the steps to solving a problem as described by your textbook.

Question 33

What are some advantages to writing programs in a high-level language instead of machine code?

Question 34

An object should never be encapsulated.

Question 35

Identifiers can be of any length.

Question 36

Write a program that outputs Four Score and Seven Years Ago on six lines, with the words centered relative to each other.

Question 37

Name the four basic activities that are involved in a software development process.

Question 38

Explain the difference between the syntax of a program and the semantics of a program.

Question 39

Write a short Java program that outputs the following:
*
*
*
************** Time flies like an arrow
*
*
*

Question 40

Syntax rules dictate the form of a program. Semantics dictate the meaning of the program statements.