Partial initialization of an array:
The C++ program allows the user to initialize the elements of an array while creating the array; the initialization list stores the value in an array in the specific order as they are initialized.
- Additionally, while initializing the array it is no need to initialize all the elements of an array; the uninitialized elements of the array will be set to “0” by default.
- For the “string” array, it stores the empty strings for uninitialized elements.
- If a local array is completely uninitialized, then the elements are stored with the garbage values.
For example:
Consider the following snippet,
// Constant for the array size
const int num_of_days = 6;
// Initialization list
int days[num_of_days] = {1, 2, 3};
In the above example, the sequence of values stored inside the braces and separated with commas is referred as the initialization list.
- The values are stored in the array in below format:
days[0] = 1;
days[1] = 2;
days[2] = 3;
days[3] = 0;
days[4] = 0;
days[5] = 0;
Thus, if an array is partially initialized, then the uninitialized elements will be assigned as “0”.
Want to see the full answer?
Check out a sample textbook solutionChapter 8 Solutions
MyLab Programming with Pearson eText -- Standalone Access Card -- for Starting Out With C++: Early Objects (My Programming Lab)
- (Program) Write a declaration to store the following values in an array named rates: 12.9, 18.6, 11.4, 13.7, 9.5, 15.2, and 17.6. Include the declaration in a program that displays the values in the array by using pointer notation.arrow_forward(Data processing) Write a program that uses an array declaration statement to initialize the following numbers in an array named slopes: 17.24, 25.63, 5.94, 33.92, 3.71, 32.84, 35.93, 18.24, and 6.92. Your program should locate and display the maximum and minimum values in the array.arrow_forward(Electrical eng.) Write a program that declares three one-dimensional arrays named volts, current, and resistance. Each array should be declared in main() and be capable of holding 10 double-precision numbers. The numbers to store in current are 10.62, 14.89, 13.21, 16.55, 18.62, 9.47, 6.58, 18.32, 12.15, and 3.98. The numbers to store in resistance are 4, 8.5, 6, 7.35, 9, 15.3, 3, 5.4, 2.9, and 4.8. Your program should pass these three arrays to a function named calc_volts(), which should calculate elements in the volts array as the product of the corresponding elements in the current and resistance arrays (for example ,volts[1]=current[1]resistance[1]). After calc_volts() has passed values to the volts array, the values in the array should be displayed from inside main().arrow_forward
- (Electrical eng.) Write a program that specifies three one-dimensional arrays named current, resistance, and volts. Each array should be capable of holding 10 elements. Using a for loop, input values for the current and resistance arrays. The entries in the volts array should be the product of the corresponding values in the current and resistance arrays (sovolts[i]=current[i]resistance[i]). After all the data has been entered, display the following output, with the appropriate value under each column heading: CurrentResistance Voltsarrow_forwardTrue or FalseYou use the == operator to compare two array reference variables and determine whether the arrays are equal.arrow_forwardJAVA PROGRAM Chapter 7. PC #16. 2D Array Operations Write a program that creates a two-dimensional array initialized with test data. Use any primitive data type that you wish. The program should have the following methods: • getTotal. This method should accept a two-dimensional array as its argument and return the total of all the values in the array. • getAverage. This method should accept a two-dimensional array as its argument and return the average of all the values in the array. • getRowTotal. This method should accept a two-dimensional array as its first argument and an integer as its second argument. The second argument should be the subscript of a row in the array. The method should return the total of the values in the specified row. • getColumnTotal. This method should accept a two-dimensional array as its first argument and an integer as its second argument. The second argument should be the subscript of a column in the array. The method should return the…arrow_forward
- c++ 1. Does the element of an array have a default value? 2. Which of the following statements are valid array declarations? double d[30]; char[30] r;arrow_forwardKotlin Programming Array Exercise Create a Kotlin program that can print a specified element in an array given the code below: fun main(){ val pets=arrayOf("dog","cat","bird") for(element in pets){ println(element + " ") } } Thanks for answer I need it now how do we print the 2nd element?arrow_forward"Array name can act as a constant pointer". Justify the given statement by distinguishng array name with pointer variable and suitable exmple.arrow_forward
- USE C++ PROGRAMMING LANGUAGE Write a program that simulates a lottery. The program should have an array of five integers named winningDigits, with a randomly generated number in the range of 0 through 9 for each element in the array. The program should ask the user to enter five digits and should store them in a second integer array named player. The program must compare the corresponding elements in the two arrays and count how many digits match. For example, the following shows the winningDigits array and the Player array with sample numbers stored in each. There are two matching digits, elements 2 and 4. WinningDigits 7 4 9 1 3 player 4 2 9 7 3 Once the user has entered a set of numbers, the program should display the winning digits and the player’s digits and tell how many digits matched.arrow_forwardQuestion: Get a series of numbers from the user. Let the user determine how many numbers to enter. Set an upper and lower limit for the number that will be array size. If the user enters the number as outside that range, ask him to enter the number again, with an error message on the screen until the correct number is entered. Calculate the largest and smallest elements, sum and average of the array created with the numbers entered by the user, using functions. Print the results obtained on the screen. Also get another input from the user. Use a function to calculate how many characters this input has, how many characters are letters, how many characters are numbers and how many characters are other characters. Print the results on the screen.arrow_forwardIn c++ Write a program that simulates a lottery. The program should have an array of five integers named lottery and should generate a random number in the range of 0 through 9 for each element in the array. The user should enter five digits, which should be stored in an integer array named user. The program is to compare the corresponding elements in the two arrays and keep a count of the digits that match. For example, the following shows the lottery array and the user array with sample numbers stored in each. There are two matching digits (elements 2 and 4). lottery array: 7 4 9 1 3 user array: 4 2 9 7 3 In C++ The program should display the random numbers stored in the lottery array and the number of matching digits. If all of the digits match, display a message proclaiming the user as a grand prize winner. Input Validation: Do not accept a negative value for lottery number. Also keep track of array size.arrow_forward
- Microsoft Visual C#Computer ScienceISBN:9781337102100Author:Joyce, Farrell.Publisher:Cengage Learning,C++ for Engineers and ScientistsComputer ScienceISBN:9781133187844Author:Bronson, Gary J.Publisher:Course Technology PtrProgramming Logic & Design ComprehensiveComputer ScienceISBN:9781337669405Author:FARRELLPublisher:Cengage
- Programming with Microsoft Visual Basic 2017Computer ScienceISBN:9781337102124Author:Diane ZakPublisher:Cengage LearningC++ Programming: From Problem Analysis to Program...Computer ScienceISBN:9781337102087Author:D. S. MalikPublisher:Cengage LearningEBK JAVA PROGRAMMINGComputer ScienceISBN:9781337671385Author:FARRELLPublisher:CENGAGE LEARNING - CONSIGNMENT