
In an array declaration, this indicates the number of elements that the array will have.
- a. subscript
- b. size declarator
- c. element sum
- d. reference variable

In an array declaration, “size declarator” indicates the number of elements that the array will have.
Hence, the correct answer is option “B”.
Explanation of Solution
Size declarator:
In an array the “size declarator” must be a non-negative integer expression. It may be a variable or a literal value. It is a common practice to use a final variable as a size declarator.
Example:
final int NUM_ELEMENTS = 6;
int[] numbers = new int[NUM_ELEMENTS];
Explanation for wrong answers:
a.Subscript:
A “subscript” is used as an index to pinpoint a specific element within an array.
Hence, the option “A” is wrong.
c.element sum:
The “element sum” is used to add the numbers of element in an array.
Hence, the option “C” is wrong.
d.Reference variable:
The user declare a “reference variable” and use the new keyword to create an instance of the array in memory. The reference variable can be declared as follows:
numbers = new int[6];
Hence, the option “D” is wrong.
Want to see more full solutions like this?
Chapter 7 Solutions
MyLab Programming with Pearson eText -- Access Code Card -- for Starting Out with Java: From Control Structures through Objects
Additional Engineering Textbook Solutions
Starting Out With Visual Basic (8th Edition)
Starting Out with C++: Early Objects (9th Edition)
Computer Science: An Overview (13th Edition) (What's New in Computer Science)
Degarmo's Materials And Processes In Manufacturing
Java: An Introduction to Problem Solving and Programming (8th Edition)
Management Information Systems: Managing The Digital Firm (16th Edition)
- Subject = Computer Science i mistakely submitted blurr image please skip it.arrow_forwardOR AND Neg-AND D A Output D A Output B D Output AB Output AB Output AB Output AB 00 01 10 00 00 01 10 10 11 NOR 11 10 |1|1 NAND Neg-OR B A Do A Output B Do A Output Output B AB Output AB Output AB Output 00 00 00 01 01 01 10 10 10 11 |11 XOR XNOR NOT A Output Output Output B B AB Output AB Output A Output 00 00 01 01 0 1 10 10 11 |1|1arrow_forwardData Representation Part 3 HW3 1. Convert each decimal number to its 9's complement (use as many digits as shown): a) 73 b) 40512 c) 980034 d) Perform subtraction using 9's complement: 5042-671 2. Convert the following decimal numbers to the 10's complement: a) 128 b) 4097 c) 56020 d) Perform subtraction using 10's complement: 3205-4879 3. Perform the following multiplications. Assume that all values are unsigned numbers. (No problem with unsigned (always positive) numbers, just use the same standard techniques as in base 10.) a) 10112 × 01012 b) 011012 × 001112 c) 1100102 × 10112 d) 10110102 x 111012 4. Perform the following multiplications. Assume that all values are signed 2's complement numbers. a) 11002 01112 b) 00102 x 10102 - first multiply without sign-extending (show the wrong result), then redo with proper sign-extension. c) 111002 × 000112 5. Perform the following divisions. Assume that all values are unsigned numbers. a) 1011012 ÷ 1102 b) 1000112 ÷ 1012arrow_forward
- From MATLAB Calculate the following scalars, matrices and vectors, using the matrices from problem 5. Outputs of the commands are required. (mean, sum, det, find, transpose (aka the apostrophe operator)arrow_forwardModify the car purchase algorithm presented in class (on Chapter 1's slide set) so that the gasprice is no longer a constant, but instead it is subjected to an inflation of 5% yearly. Run thealgorithm and tabulate the costs year by year. (No need to program in C++ for this problemunless you really want to. You can use a spreadsheet or hand calculations.) Which car is abetter deal and by how much? Explain your algorithm welll.arrow_forwardProblem 12. Consider the following grammar: <S> → a <S> c <B> | <A> | b <A> → c <A> | c <B> → d | <A> Which of the following sentences are in the language generated by this grammar? a. abcd b. acccbd c. acccbcc d. acd e. acccarrow_forward
- Problem 6. Using the grammar in Example 3.2, show a parse tree and a leftmost derivation for each of the following statements: a. A = A * (B + (C * A))arrow_forwardProblem 8. Prove that the following grammar is ambiguous: <S> → <A> <A> → <A> + <A> | <id> <id> → a | b | carrow_forward1 Mark for Review Consider the following class declaration. public class Sample { private int a; private double b; public Sample (int x, double y) { } a = x; b = yi } // No other constructors The following method appears in a class other than Sample. public static void test() { Sample object = new /* missing constructor call */ ; } APC Which of the following could be used to replace /* missing constructor call */ so that the method will compile without error? Highlights &arrow_forward
- Consider the following class definition public class Bird private String species; private String color; private boolean canFly; public Bird(String str, String col, boolean ef) ' species str; color col; cantly cf; Autosaved at: 20:39:18 Mark for Review Which of the following constructors, if added to the Bird class, will cause a compilation error? public Bird() ' species "unknown"; color "unknown"; canFly false; public Bird(String col, String str). species str; color col; cantly false; public Bird (boolean ef, String str, String col) { species str color col; canFlyef; public Bird(String col, String str, boolean ef) > species str; color col; cantly ef; (0)arrow_forwardProblem A Add the 8-bit 2's-complement integer 01111111 to the 6-bit 2's-complement integer 011111. Sign-extend the 6-bit number to 8 bits. Add in binary and write the 8-bit result. State whether overflow occurred and how you know. Give the equivalent base-10 problem and result. Problem B Add the 7-bit 2's-complement integer 1010010 to the 5-bit 2's-complement integer 01110. Sign-extend the 5-bit number to 7 bits. Add in binary and write the 7-bit result. State whether overflow occurred and how you know. Give the equivalent base-10 problem and result. Problem C Add the 7-bit 2's-complement integer 1001110 to the 6-bit 2's-complement integer 100100. Sign-extend the 6-bit number to 7 bits. Add in binary and write the 7-bit result. State whether overflow occurred and how you know. Give the equivalent base-10 problem and result.arrow_forwardNeed help with python! It wont output right. and any alterations break the code.So I have the code done below but I dont know how to have it output a certain way.Expected output:Enter your name: PhilIn text name is: P h i lIn ASCII decimal: 80 104 105 108 In ASCII binary: 01010000 01101000 01101001 01101100Enter your age: 71As a string "71": 7 1In ASCII decimal: 55 49In ASCII binary: 0110111 0110001As an int variable: 71In numeric binary: 1000111Code (need help here): print(f"\nName: {name}")# Loop through each letter:for letter in name: ascii_val = ord(letter) # decimal ASCII binary_val = format(ascii_val, '08b') # 8-bit binaryprint("Character")print(f"{letter:9}")print("ASCII Decimal")print(f"{ascii_val:13}")print("ASCII Binary")print(f"{binary_val}") # ageage_str = input("\nEnter your age: ")age_int = int(age_str)print(f"\nAge as string: {age_str}")print(f"Age as int: {age_int}")print(f"Age in ASCII (per digit):")for digit in age_str: ascii_val = ord(digit)…arrow_forward
- EBK JAVA PROGRAMMINGComputer ScienceISBN:9781337671385Author:FARRELLPublisher:CENGAGE LEARNING - CONSIGNMENTProgramming Logic & Design ComprehensiveComputer ScienceISBN:9781337669405Author:FARRELLPublisher:CengageMicrosoft Visual C#Computer ScienceISBN:9781337102100Author:Joyce, Farrell.Publisher:Cengage Learning,
- Programming with Microsoft Visual Basic 2017Computer ScienceISBN:9781337102124Author:Diane ZakPublisher:Cengage LearningC++ for Engineers and ScientistsComputer ScienceISBN:9781133187844Author:Bronson, Gary J.Publisher:Course Technology PtrC++ Programming: From Problem Analysis to Program...Computer ScienceISBN:9781337102087Author:D. S. MalikPublisher:Cengage Learning




