2] What is the output of the following code? plic class Test { ublic static void main(String[] args) { int[][] matrix = {{1, 2, 3, 4), {4, 5, 6, 7}, {8, 9, 10, 11}, (12, 13, 14, 15}}; for (int i = 0; i < 4; i++) System.out.print (matrix[i][1] + " "); }

2] What is the output of the following code? plic class Test { ublic static void main(String[] args) { int[][] matrix = {{1, 2, 3, 4), {4, 5, 6, 7}, {8, 9, 10, 11}, (12, 13, 14, 15}}; for (int i = 0; i < 4; i++) System.out.print (matrix[i][1] + " "); }

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

See similar textbooks

Similar questions

#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);…
#include <iostream>//#include <vector> using namespace std; class Vec {public:Vec() {sz = 0;cap = 1;p_arr = new int[cap];} int size(){return this->sz;}int capacity(){return this->cap;}void reserve( int n ){// TODO:// (0) check the n should be > size, otherwise// ignore this action.if ( n > sz ){// (1) create a new int array which size is n// and get its address//cout << "Adress:"<< &n << endl;int *newarr = new int [n];//cout << "Address: " << newarr << endl; // location // (2) use for loop to copy the old array to the// new arrayfor(int i = 0; i < sz; i++){newarr[i] = p_arr[i];}// (3) update the variable to the new addressthis->cap=n; // (4) delete old arraydelete[] newarr;}}void push_back( int v ){// TODO:if ( sz == cap ){ cap *= 2; reserve(cap);}p_arr[sz++] = v;// complete others}int at(int idx){return this->p_arr[idx];}private://vector<int> arr;int *p_arr;int sz = 0;int cap = 0; }; int main(){Vec v;…
#include <iostream>#include <vector>using namespace std; void PrintVectors(vector<int> numsList) { unsigned int i; for (i = 0; i < numsList.size(); ++i) { cout << numsList.at(i) << " "; } cout << endl;} int main() { vector<int> numsList; int userInput; int i; for (i = 0; i < 3; ++i) { cin >> userInput; numsList.push_back(userInput); } numsList.erase(numsList.begin()+1); numsList.insert(numsList.begin()+1, 102); numsList.insert(numsList.begin()+1, 100); PrintVectors(numsList); return 0;} Not all tests passed clearTesting with inputs: 33 200 10 Output differs. See highlights below. Special character legend Your output 33 100 102 10 Expected output 100 33 102 10 clearTesting with inputs: 6 7 8 Output differs. See highlights below. Special character legend Your output 6 100 102 8 Expected output 100 6 102 8 Not sure what I did wrong but the the 33…
#include <stdio.h> #include <string.h> int IsPasswordOkay(char* pass) { char Password[12]; strcpy(Password, pass); if (!strcmp(Password, "goodpass")) return(1); else return(0); } int main(int argc, char **argv) { int PwStatus; if (argc < 2) { printf("Input your password\n"); return(-1); } PwStatus = IsPasswordOkay(argv[1]); if (PwStatus == 0) { printf("Acces denied"); return(-1); } else { printf("Access granted"); return(1); } } Write a function to conduct input validation to secure the smallest buffer. You may call this function void SecurePasswordBuffer(const char *arg).
#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);…
using System; class TicTacToe { staticint player = 1; staticint choice; staticvoid Print( char[] board); staticvoid Main(string[] args) { Console.WriteLine(); Console.WriteLine($" {board[0]} | {board[1]} | {board[2]} "); Console.WriteLine($" {board[3]} | {board[4]} | {board[5]} "); Console.WriteLine($" {board[6]} | {board[7]} | {board[8]} "); Console.WriteLine(); } staticvoid Main(string[] args) { char[] board = newchar[9]; for (int i = 0; i < 9; i = i + 1) { board[i] = ' '; if( board[i]== 'O') Console.Write("It is your turn to place an X"); } Print(board); board[4] = 'X'; Print(board); board[0] = 'O'; Print(board); board[3] = 'X'; Print(board); board[5] = 'O'; Print(board); board[6] = 'X'; Print(board); board[2] = 'O'; Print(board); } } Hello! I need help with getting my code to compile. It's written in C# and i'm a beginner. it's giving me two errors and i'm not sure how to fix them. Please don't copy paste an answer from google.
#include<iostream>using namespace std;const int rows=10;const int columns=10;int computer_board1[rows][columns];int computer_board2[rows][columns];int player_board[rows][columns];int x,y;void setboard(){for(int i=0;i<rows;i++){for(int j=0;j<columns;j++){computer_board1[i][j]=0;player_board[i][j]=0;}}}void display_computer_board1(){cout<<"Computer's Board"<<endl;cout<<" 0 1 2 3 4 5 6 7 8 9 "<<endl;for(int i=0;i<rows;i++){for(int j=0;j<columns;j++){if(j==0){cout<<i<<" ";}cout<<computer_board1[i][j]<<" "; }cout<<endl;}cout<<endl;}void display_player_board(){cout<<"Your Board"<<endl;cout<<" 0 1 2 3 4 5 6 7 8 9 "<<endl;for(int i=0;i<rows;i++){for(int j=0;j<columns;j++){if(j==0){cout<<i<<" ";}cout<<player_board[i][j]<<" "; } cout<<endl;} }void place_player_ships(){for(int i=1;i<=15;i++){cout<<"Horizontal…
#include <iostream>#include <cstdlib>#include <time.h>#include <chrono> using namespace std::chrono;using namespace std; void randomVector(int vector[], int size){ for (int i = 0; i < size; i++) { //ToDo: Add Comment vector[i] = rand() % 100; }} int main(){ unsigned long size = 100000000; srand(time(0)); int *v1, *v2, *v3; //ToDo: Add Comment auto start = high_resolution_clock::now(); //ToDo: Add Comment v1 = (int *) malloc(size * sizeof(int *)); v2 = (int *) malloc(size * sizeof(int *)); v3 = (int *) malloc(size * sizeof(int *)); randomVector(v1, size); randomVector(v2, size); //ToDo: Add Comment for (int i = 0; i < size; i++) { v3[i] = v1[i] + v2[i]; } auto stop = high_resolution_clock::now(); //ToDo: Add Comment auto duration = duration_cast<microseconds>(stop - start); cout << "Time taken by function: " << duration.count()…
helllp
#include #include using namespace std; void PrintSize(vector numsList) { cout intList (3); PrintSize(intList); cin >> currval; while (currval >= 0) { } Type the program's output intList.push_back(currval); cin >> currVal; PrintSize(intList); intList.clear(); PrintSize(intList); return 0; 1 se mice with camScanner Check Next Input 1234-1 Output
Q: Convert this to sorted array #include<iostream> #include"Student.cpp" class StudentList { private: struct ListNode { Student astudent; ListNode *next; }; ListNode *head; public: StudentList(); ~StudentList(); int IsEmpty(); void Add(Student newstudent); void Remove(); void DisplayList(); }; StudentList::StudentList() { head=NULL; }; StudentList::~StudentList() { cout <<"\nDestructing the objects..\n"; while(IsEmpty()!=0) Remove(); if(IsEmpty()==0) cout <<"All students have been deleted from a list\n"; }; int StudentList::IsEmpty() { if(head==NULL) return 0; else return 1; }; void StudentList::Add(Student newstudent) { ListNode *newPtr=new ListNode; if(newPtr==NULL) cout <<"Cannot allocate memory"; else { newPtr->astudent=newstudent; newPtr->next=head; head=newPtr; } }; void StudentList::Remove() { if(IsEmpty()==0) cout <<"List empty on remove"; else { ListNode *temp=head;…
#include<iostream>using namespace std;const int rows=10;const int columns=10;int computer_board1[rows][columns];int computer_board2[rows][columns];int player_board[rows][columns];int x,y;void setboard(){for(int i=0;i<rows;i++){for(int j=0;j<columns;j++){computer_board1[i][j]=0;player_board[i][j]=0;}}}void display_computer_board1(){cout<<"Computer's Board"<<endl;cout<<" 0 1 2 3 4 5 6 7 8 9 "<<endl;for(int i=0;i<rows;i++){for(int j=0;j<columns;j++){if(j==0){cout<<i<<" ";}cout<<computer_board1[i][j]<<" "; }cout<<endl;}cout<<endl;}void display_player_board(){cout<<"Your Board"<<endl;cout<<" 0 1 2 3 4 5 6 7 8 9 "<<endl;for(int i=0;i<rows;i++){for(int j=0;j<columns;j++){if(j==0){cout<<i<<" ";}cout<<player_board[i][j]<<" "; } cout<<endl;} }void place_player_ships(){for(int i=1;i<=15;i++){cout<<"Horizontal…