2. The following code has a run time error. Explain the error and correct it. | final int ARRRAY_SIZE =3; int[] numaxxax new int [ARRRAY_SIZE]; String str; for (int i=0;i<= ARRRAX SIZE i++) { } str= JOptionPane, showInputDialog("Enter a number: "); numaxxax[i] = Integer.parseInt(str); 3. Write a void method called calculateClassAvg, which takes a double array named marks as a parameter and calculate and returns the average class marks. 4. Explain a better way to store 100 student IDs in a program other than using 100 integer variables?

2. The following code has a run time error. Explain the error and correct it. | final int ARRRAY_SIZE =3; int[] numaxxax new int [ARRRAY_SIZE]; String str; for (int i=0;i<= ARRRAX SIZE i++) { } str= JOptionPane, showInputDialog("Enter a number: "); numaxxax[i] = Integer.parseInt(str); 3. Write a void method called calculateClassAvg, which takes a double array named marks as a parameter and calculate and returns the average class marks. 4. Explain a better way to store 100 student IDs in a program other than using 100 integer variables?

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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#include <stdio.h>#include <stdlib.h> int MAX_SIZE = 10;int n = 0; //A counter variable which will keep track of number of elements in arr. void append(int *arr, int element){ if(n == MAX_SIZE) { MAX_SIZE = MAX_SIZE * 2; int *ptr = (int*)malloc(MAX_SIZE * sizeof(int)); //Copy elements of existing array to a new array for(int i=0;i<n;i++) { ptr[i] = arr[i]; } arr = ptr; n++; } arr[n] = element;} int get(int *arr, int index){ return arr[index];}int main(){ int *arr = (int*)malloc(MAX_SIZE * sizeof(int)); n = 10; for(int i=0;i<n;i++) arr[i] = i+1; printf("\nArray size: %d", MAX_SIZE); printf("\nNumber of elements: %d", n); printf("\nArray: "); for(int i=0;i<n;i++) printf("%d ", arr[i]); printf("\n\nAdding an element"); append(arr, 11); printf("\nArray size: %d", MAX_SIZE); printf("\nNumber of elements: %d", n);…
The following code will display 150: { int a[] = { 10,20,30,40,50 }; int sum = 0; for (int i = 0; i <= 4;i++ ) sum += a[--i]; cout << sum; Select one: True False
Can you fix the code please on the first picture shows the error output. // Corrected code #define _CRT_SECURE_NO_WARNINGS #include "LibraryManagement.h" #include "Books.h" #include "DigitalMedia.h" #include "LibraryConfig.h" #include #include #include #include // Include the necessary header for boolean data type // Comparison function for qsort to sort Digital Media by ID int compareDigitalMedia(const void* a, const void* b) { return ((struct DigitalMedia*)a)->id - ((struct DigitalMedia*)b)->id; } // initializing library struct Library initializeLibrary() { struct Library lib; lib.bookCount = 0; lib.ebookCount = 0; lib.digitalMediaCount = 0; // Initialize book array for (int i = 0; i < MAX_BOOK_COUNT; i++) { lib.books[i].commonAttributes.id = -1; // Set an invalid ID to mark empty slot } // Initialize ebook array for (int i = 0; i < MAX_EBOOK_COUNT; i++) { lib.ebooks[i].commonAttributes.id = -1; }…
zain IQ لا توجد خدمة docs.google.com Q #includeusing namespace std; int main (){ int a[100]; int i, n „large ;cout>a[i]; }large =a[0];for (i=O ; i<=99 ; i++)if (larg < a[i])larg = ali] ;cout<<" largest value in the array = "<< larg ;return 0;} true False The general form of (One- Dimensional Arrays) is:Type Array Name [number of elements] * True False Char a[5][6]; *
A = [2-31; 2 0 -1; 1 4 5], then det(A) is * O 49 39 O 27 O 33 Other:
/* yahtC */ #include <stdio.h> #include <string.h> #include <stdlib.h> #include <time.h> void seed(int argc, char ** argv){ srand(time(NULL)); // Initialize random seed if (argc>1){ int i; if (1 == sscanf(argv[1],"%d",&i)){ srand(i); } } } void instructions(){ printf("\n\n\n\n" "\t**********************************************************************\n" "\t* Welcome to YahtC *\n" "\t**********************************************************************\n" "\tYahtC is a dice game (very) loosely modeled on Yahtzee\n" "\tBUT YahtC is not Yahtzee.\n\n" "\tRules:\n" "\t5 dice are rolled\n" "\tThe user selects which dice to roll again.\n" "\tThe user may choose to roll none or all 5 or any combination.\n" "\tAnd then the user selects which dice to roll, yet again.\n" "\tAfter this second reroll the turn is scored.\n\n" "\tScoring is as follows:\n" "\t\t*\t50 points \t5 of a kind scores 50 points.\n" "\t\t*\t45 points \tNo pairs (all unique) scores 45…
Q1:Find the output of the following code:
char[] X = { ‘A’, ‘E’, ‘I’, ‘O’, ‘U’, ‘V’}; What is the value of X[2]? a. I b. U c. E d. O
#include <iostream>using namespace std; char* duplicateWithoutBlanks(char *word){int len = sizeof(word); char *new_str = new char[len + 1]; int k = 0; for (int i = 0; i < len; ++i){if (word[i] != ' ')new_str[k++] = word[i];} new_str[k] = '\0'; return new_str;} int main(){// Testing code char word[] = "Hello, World!"; char* result = duplicateWithoutBlanks(word); cout<< "word: "<< word<< "\nResult: "<< result; ; return 0;} What to change to out put the same word without blank?
#include <bits/stdc++.h>using namespace std; int main() { string str; cout << "Enter a string: "; getline (cin, str); for(int i=0; i<str.length(); i++){ if(str[i]=='a' || str[i]=='e' || str[i]=='i' || str[i]=='o' || str[i]=='u' || str[i]=='A' || str[i]=='E' || str[i]=='I' || str[i]=='O' || str[i]=='U'){ str[i] = '*'; } } cout<<"Resulting string: "<<str; return 0; WHAT DOES THE FOR LOOP MEAN HERE? PLEASE EXPLAIN for(int i=0; i<str.length(); i++){
Ex/ { String st ="college of computer"; Char [] array={'m', 'e', 'r'} ; Console.WriteLine(st.IndexOfAny(array ); %3D Q/ replace the (IndexOfAny) by 1-Last Index Of 2-Last Index Of Any
#include<stdio.h>#include<string.h>struct info{char names[100];int age;float wage;};int main(int argc, char* argv[]) {int line_count = 0;int index, i;struct info hr[10];if (argc != 2)printf("Invalid user_input!\n");else {FILE* contents = fopen (argv[1], "r");struct info in;if (contents != NULL) {printf("File has been opened successfully.\n\n");while (fscanf(contents, "%s %d %f\n",hr[line_count].names, &hr[line_count].age, &hr[line_count].wage) != EOF) {printf("%s %d %f\n", hr[line_count].names, hr[line_count].age, hr[line_count].wage);line_count++;}printf("\nTotal number of lines in document are: %d\n\n", line_count);fclose(contents);printf("Please enter a name: ");char user_input[100];fgets(user_input, 30, stdin);user_input[strlen(user_input)-1] = '\0';index = -1;for(i = 0; i < line_count; i++){if(strcmp(hr[i].names, user_input) == 0){index = i;break;}}if(index == -1)printf("Name %s not found\n", user_input);else{while(fread(&in, sizeof(struct info), 1,…