Java: An Introduction to Problem Solving and Programming (7th Edition)
7th Edition
ISBN: 9780133766264
Author: Walter Savitch
Publisher: PEARSON
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Chapter 7.3, Problem 17STQ
Suppose a is an array of values of type double. Write some code to display all the elements in a on the screen, one element per line.
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1. Create an array named arr1 with 20 random numbers between 1 and 10(inclusively). Then
produce a new array arr2 based on arr1 as follows: arr2 has the same length as arr1. In arr2, each
element is the sum of the corresponding element in arr1 and the previous element of arr1, except
the first number in arr2 equals the first number in arr1. For example,
If arr1 has the elements:
Then arr2 will be:
2 5 19 3 7 6...
2 7 6 10 12 10 13...
Please display the two arrays.
Write a program that creates a 2D array of size 4x5. Then, user enters the elements for this 2D array. Display the array in tabular form, using manipulators.
Write a loop that sets each array element to the sum of itself and the next element, except for the last element which stays the same. Be careful not to index beyond the last element. Ex:Initial scores: 10, 20, 30, 40 Scores after the loop: 30, 50, 70, 40 The first element is 30 or 10 + 20, the second element is 50 or 20 + 30, and the third element is 70 or 30 + 40. The last element remains the same.
#include <iostream>using namespace std;
int main() { const int SCORES_SIZE = 4; int bonusScores[SCORES_SIZE]; int i;
for (i = 0; i < SCORES_SIZE; ++i) { cin >> bonusScores[i]; }
/* Your solution goes here */
for (i = 0; i < SCORES_SIZE; ++i) { cout << bonusScores[i] << " "; } cout << endl;
return 0;}
Chapter 7 Solutions
Java: An Introduction to Problem Solving and Programming (7th Edition)
Ch. 7.1 - What output will be produced by the following...Ch. 7.1 - What output will be produced by the following...Ch. 7.1 - What output will be produced by the following...Ch. 7.1 - Consider the following array: int [] a = new...Ch. 7.1 - What is wrong with the following code to...Ch. 7.1 - Write a complete Java program that reads 20 values...Ch. 7.2 - Write some Java code that will declare an array...Ch. 7.2 - Rewrite the method displayResults of the program...Ch. 7.2 - What output will be produced by the following...Ch. 7.2 - Give the definition of a static method called...
Ch. 7.2 - Give the definition of a static method called...Ch. 7.2 - Prob. 12STQCh. 7.2 - The following method compiles and executes but...Ch. 7.2 - Suppose that we add the following method to the...Ch. 7.3 - Prob. 15STQCh. 7.3 - Replace the last loop in Listing 7.8 with a loop...Ch. 7.3 - Suppose a is an array of values of type double....Ch. 7.3 - Suppose a is an array of values of type double...Ch. 7.3 - Prob. 19STQCh. 7.3 - Consider the partially filled array a from...Ch. 7.3 - Repeat the previous question, but this time assume...Ch. 7.3 - Write an accessor method getEntryArray for the...Ch. 7.4 - Prob. 23STQCh. 7.4 - Write the invocation of the method selectionSort...Ch. 7.4 - How would you need to change the method...Ch. 7.4 - How would you need to change the method...Ch. 7.4 - Consider an array b of int values in which a value...Ch. 7.5 - What output is produced by the following code?...Ch. 7.5 - Revise the method showTable in Listing 7.13 so...Ch. 7.5 - Write code that will fill the following array a...Ch. 7.5 - Write a void method called display such that the...Ch. 7.6 - Prob. 33STQCh. 7 - Write a program in a class NumberAboveAverage that...Ch. 7 - Write a program in a class CountFamiles that...Ch. 7 - Write a program in a class CountPoor that counts...Ch. 7 - Write a program in a class FlowerCounter that...Ch. 7 - Write a program in a class characterFrequency that...Ch. 7 - Create a class Ledger that will record the sales...Ch. 7 - Define the following methods for the class Ledger,...Ch. 7 - Write a static method isStrictlyIncreasing (double...Ch. 7 - Write a static method removeDuplicates(Character[]...Ch. 7 - Write a static method remove {int v, int [] in}...Ch. 7 - Suppose that we are selling boxes of candy for a...Ch. 7 - Create a class polynomial that is used to evaluate...Ch. 7 - Write a method beyond LastEntry (position) for the...Ch. 7 - Revise the class OneWayNoRepeatsList, as given in...Ch. 7 - Write a static method for selection sort that will...Ch. 7 - Overload the method selectionSort in Listing 7.10...Ch. 7 - Revise the method selectionSort that appears in...Ch. 7 - Prob. 18ECh. 7 - Write a sequential search of an array of integers,...Ch. 7 - Write a static method findFigure (picture,...Ch. 7 - Write a static method blur (double [] [] picture)...Ch. 7 - Write a program that reads integers, one per line,...Ch. 7 - The following code creates a small phone book. An...Ch. 7 - Write the method rotateRight that takes an array...Ch. 7 - The following code creates a ragged 2D array. The...Ch. 7 - Write a program that will read a line of text that...Ch. 7 - Prob. 2PPCh. 7 - Add a method bubbleSort to the class ArraySorter,...Ch. 7 - Add a method insertionSort to the class...Ch. 7 - The class TimeBook in Listing 7.14 is not really...Ch. 7 - Define a class called TicTacToe. An object of type...Ch. 7 - Repeat Programming Project 10 from Chapter 5 but...Ch. 7 - Prob. 8PPCh. 7 - Write a GUI application that displays a picture of...Ch. 7 - ELIZA was a program written in 1966 that parodied...Ch. 7 - Prob. 11PPCh. 7 - Create a GUI application that draws the following...Ch. 7 - Practice Program 2 used two arrays to implement a...Ch. 7 - Practice Program 5.4 asked you to define Trivia...
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- Write a loop that sets each array element to the sum of itself and the next element, except for the last element which stays the same. Be careful not to index beyond the last element. Ex: Initial scores: 10, 20, 30, 40 Scores after the loop: 30, 50, 70, 40 The first element is 30 or 10 + 20, the second element is 50 or 20 + 30, and the third element is 70 or 30 + 40. The last element remains the same. 324758.2040686.qx3zqy7 1 #include 2 3 int main(void) { const int SCORES SIZE = 4; int bonusScores[SCORES_SIZE]; int i; 4 6. for (i = 0; i < SCORES_SIZE; ++i) { scanf("%d", &(bonusscores[i])); } 8 9. 10 11 12 * Your solution goes here */ 13 for (i = 0; i < SCORES_SIZE; ++i) { printf("%d ", bonusscores[i]); 14 15 16 17 printf("\n"); 18arrow_forwardWrite a loop that sets each array element to the sum of itself and the next element, except for the last element which stays the same. Be careful not to index beyond the last element. Ex:Initial scores: 10, 20, 30, 40 Scores after the loop: 30, 50, 70, 40 The first element is 30 or 10 + 20, the second element is 50 or 20 + 30, and the third element is 70 or 30 + 40. The last element remains the same. #include <iostream>using namespace std; int main() {const int SCORES_SIZE = 4;int bonusScores[SCORES_SIZE];int i; for (i = 0; i < SCORES_SIZE; ++i) {cin >> bonusScores[i];} /* Your solution goes here */ for (i = 0; i < SCORES_SIZE; ++i) {cout << bonusScores[i] << " ";}cout << endl; return 0;} Please help me with this issue using c++.arrow_forwardCreate a 4x3 array of letters from a through l and call it array1. Copy the array and call it array2, then reshape array2 to a 6x2 array. Create another copy of the array, called array3, and flatten it into a one-dimensional array. Print all three arrays.arrow_forward
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