Herr Deng桑的教學blog: Ex12 C++ Class Constructor and Destructor

2016年12月16日星期五

Ex12 C++ Class Constructor and Destructor

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B104330922016年12月16日下午5:18
public:
double term[row][col];

Matrix() {
cout << "Matrix() is called..." << endl;
memset(term, 0, sizeof(term));
}

Matrix(double a[row][col]) {
cout << "Matrix(double a[row][col]) is called..." << endl;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
term[i][j] = a[i][j];
}
}

Matrix(const Matrix& T) {
cout << "Matrix(double a[row][col]) is called..." << endl;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
term[i][j] =T.term[i][j];
}
}

~Matrix() {
cout << term[0][0];
cout << "DESTROYER......\n";
}
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B104330112016年12月16日下午5:20
{
public:
double term[row][col];
Matrix() {
cout << "Matrix() is called..." << endl;
memset(term, 0, sizeof(term));
}

Matrix(double a[row][col]) {
cout << "Matrix(double a[row][col]) is called..." << endl;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
term[i][j] = a[i][j];
}
}
Matrix(const Matrix& T) {
cout << "Matrix(const Matrix& T]) is called..." << endl;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
term[i][j] = T.term[i][j];
}
}

~Matrix() {
cout << term[0][0];
cout << " DESTROYER...\n";
}
......
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B101331862016年12月16日下午5:29
#include <iostream>
#include <cstdlib>
#include <cstring>
using namespace std;
#define row 3
#define col 3
class Matrix
{
public:
double term[row][col];

Matrix() {
cout << "Matrix() is called...." << endl;
memset(term, 0, sizeof(term));
}

Matrix(double a[row][col]) {
cout << "Matrix(double a[row][col]) is called....." << endl;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
term[i][j] = a[i][j];
}
}
Matrix(const Matrix& T) {
cout << "Matrix(const Matrix& T) is called....." << endl;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
term[i][j] = T.term[i][j];
}
}

~Matrix() {
cout << term[0][0];
cout << "DESTROTER....\n";
}

double& operator()(int i, int j) {
return term[i][j];
}
void print() {
cout << "----------------\n";
for (int i = 0; i < row; i++){
for (int j = 0; j < col; j++) {
cout << term[i][j] <<"\t";
}
cout << endl;
}
}
};
Matrix& operator+(Matrix A, Matrix B) {
Matrix C;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
C.term[i][j] = A(i, j) + B(i, j);
}
return C;
}
int main()
{
double a[3][3] = { { 1,2,3 },{ 4,5,6 },{ 7,8,9 } };
double b[3][3] = { { 4,5,6 },{ 7,8,9 },{ 1,2,3 } };
Matrix A(a), B(b);
A.print();
B.print();
Matrix C = A + B;
C.print();
system("Pause");
return 0;
}
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a104330152016年12月16日下午5:30
#include <iostream>
#include <cstdlib>
#include <cstring>
using namespace std;
#define row 3
#define col 3
class Matrix
{
public:
double term[row][col];
Matrix() {
cout << "....." << endl;
memset(term, 0, sizeof(term)); }
Matrix(double a[row][col]) {
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
term[i][j] = a[i][j];
}
}
double& operator()(int i, int j) {
return term[i][j];
}
void print() {
for (int i = 0; i < row; i++){
for (int j = 0; j < col; j++) {
cout << term[i][j] <<"\t";
}
cout << endl;
}
}
~Matrix() {
cout << term[0][0] ;
cout << "DS" << endl;

}
};
Matrix& operator+(Matrix A, Matrix B) {
Matrix C;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
C.term[i][j]= A(i,j)+B(i,j);
}
return C;
}
int main()
{
double a[3][3]= {{1,2,3}, {4,5,6},{7,8,9} };
double b[3][3]= { { 4,5,6 },{ 7,8,9 },{ 1,2,3 } };
Matrix A(a), B(b);
A.print();
B.print();
Matrix C = A + B;
C.print();
system("Pause");
return 0;
}
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b102331272016年12月19日晚上10:03
#include <iostream>
#include <cstdlib>
#include <cstring>
using namespace std;
#define row 3
#define col 3
class Matrix
{
public:
double term[row][col];

Matrix() {
cout << "Matrix() is called...." << endl;
memset(term, 0, sizeof(term));
}

Matrix(double a[row][col]) {
cout << "Matrix(double a[row][col]) is called....." << endl;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
term[i][j] = a[i][j];
}
}
Matrix(const Matrix& T) {
cout << "Matrix(const Matrix& T) is called....." << endl;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
term[i][j] = T.term[i][j];
}
}

~Matrix() {
cout << term[0][0];
cout << "DESTROTER....\n";
}

double& operator()(int i, int j) {
return term[i][j];
}
void print() {
cout << "----------------\n";
for (int i = 0; i < row; i++){
for (int j = 0; j < col; j++) {
cout << term[i][j] <<"\t";
}
cout << endl;
}
}
};
Matrix& operator+(Matrix A, Matrix B) {
Matrix C;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
C.term[i][j] = A(i, j) + B(i, j);
}
return C;
}
int main()
{
double a[3][3] = { { 1,2,3 },{ 4,5,6 },{ 7,8,9 } };
double b[3][3] = { { 4,5,6 },{ 7,8,9 },{ 1,2,3 } };
Matrix A(a), B(b);
A.print();
B.print();
Matrix C = A + B;
C.print();
system("Pause");
return 0;
}
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b10433030 楊家睿2016年12月28日上午11:38
#include
#include
#include
using namespace std;
#define row 3
#define col 3
class Matrix
{
public:
double term[row][col];
Matrix() {
cout << "....." << endl;
memset(term, 0, sizeof(term)); }
Matrix(double a[row][col]) {
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
term[i][j] = a[i][j];
}
}
double& operator()(int i, int j) {
return term[i][j];
}
void print() {
for (int i = 0; i < row; i++){
for (int j = 0; j < col; j++) {
cout << term[i][j] <<"\t";
}
cout << endl;
}
}
~Matrix() {
cout << term[0][0] ;
cout << "DS" << endl;

}
};
Matrix& operator+(Matrix A, Matrix B) {
Matrix C;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
C.term[i][j]= A(i,j)+B(i,j);
}
return C;
}
int main()
{
double a[3][3]= {{1,2,3}, {4,5,6},{7,8,9} };
double b[3][3]= { { 4,5,6 },{ 7,8,9 },{ 1,2,3 } };
Matrix A(a), B(b);
A.print();
B.print();
Matrix C = A + B;
C.print();
system("Pause");
return 0;
}
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b10433030 楊家睿2016年12月28日上午11:40
#include
#include
#include
using namespace std;
#define row 3
#define col 3
class Matrix
{
public:
double term[row][col];

Matrix() {
cout << "Matrix() is called...." << endl;
memset(term, 0, sizeof(term));
}

Matrix(double a[row][col]) {
cout << "Matrix(double a[row][col]) is called....." << endl;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
term[i][j] = a[i][j];
}
}
Matrix(const Matrix& T) {
cout << "Matrix(const Matrix& T) is called....." << endl;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
term[i][j] = T.term[i][j];
}
}

~Matrix() {
cout << term[0][0];
cout << "DESTROTER....\n";
}

double& operator()(int i, int j) {
return term[i][j];
}
void print() {
cout << "----------------\n";
for (int i = 0; i < row; i++){
for (int j = 0; j < col; j++) {
cout << term[i][j] <<"\t";
}
cout << endl;
}
}
};
Matrix& operator+(Matrix A, Matrix B) {
Matrix C;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
C.term[i][j] = A(i, j) + B(i, j);
}
return C;
}
int main()
{
double a[3][3] = { { 1,2,3 },{ 4,5,6 },{ 7,8,9 } };
double b[3][3] = { { 4,5,6 },{ 7,8,9 },{ 1,2,3 } };
Matrix A(a), B(b);
A.print();
B.print();
Matrix C = A + B;
C.print();
system("Pause");
return 0;
}
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b102330742016年12月30日下午3:56
#include
#include
#include
using namespace std;
#define row 3
#define col 3
class Matrix
{
public:
double term[row][col];

Matrix() {
cout << "Matrix() is called...." << endl;
memset(term, 0, sizeof(term));
}

Matrix(double a[row][col]) {
cout << "Matrix(double a[row][col]) is called....." << endl;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
term[i][j] = a[i][j];
}
}
Matrix(const Matrix& T) {
cout << "Matrix(const Matrix& T) is called....." << endl;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
term[i][j] = T.term[i][j];
}
}

~Matrix() {
cout << term[0][0];
cout << "DESTROTER....\n";
}

double& operator()(int i, int j) {
return term[i][j];
}
void print() {
cout << "----------------\n";
for (int i = 0; i < row; i++){
for (int j = 0; j < col; j++) {
cout << term[i][j] <<"\t";
}
cout << endl;
}
}
};
Matrix& operator+(Matrix A, Matrix B) {
Matrix C;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
C.term[i][j] = A(i, j) + B(i, j);
}
return C;
}
int main()
{
double a[3][3] = { { 1,2,3 },{ 4,5,6 },{ 7,8,9 } };
double b[3][3] = { { 4,5,6 },{ 7,8,9 },{ 1,2,3 } };
Matrix A(a), B(b);
A.print();
B.print();
Matrix C = A + B;
C.print();
system("Pause");
return 0;
}
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B102330772016年12月30日下午4:55
#include
#include
#include
using namespace std;
#define row 3
#define col 3
class Matrix
{
public:
double term[row][col];

Matrix() {
cout << "Matrix() is called...." << endl;
memset(term, 0, sizeof(term));
}

Matrix(double a[row][col]) {
cout << "Matrix(double a[row][col]) is called....." << endl;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
term[i][j] = a[i][j];
}
}
Matrix(const Matrix& T) {
cout << "Matrix(const Matrix& T) is called....." << endl;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
term[i][j] = T.term[i][j];
}
}

~Matrix() {
cout << term[0][0];
cout << "DESTROTER....\n";
}

double& operator()(int i, int j) {
return term[i][j];
}
void print() {
cout << "----------------\n";
for (int i = 0; i < row; i++){
for (int j = 0; j < col; j++) {
cout << term[i][j] <<"\t";
}
cout << endl;
}
}
};
Matrix& operator+(Matrix A, Matrix B) {
Matrix C;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
C.term[i][j] = A(i, j) + B(i, j);
}
return C;
}
int main()
{
double a[3][3] = { { 1,2,3 },{ 4,5,6 },{ 7,8,9 } };
double b[3][3] = { { 4,5,6 },{ 7,8,9 },{ 1,2,3 } };
Matrix A(a), B(b);
A.print();
B.print();
Matrix C = A + B;
C.print();
system("Pause");
return 0;
}
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B10233187 張郁柔2017年1月4日上午9:19
#include
#include
#include
using namespace std;
#define row 3
#define col 3
class Matrix
{
public:
double term[row][col];

Matrix() {
cout << "Matrix() is called...." << endl;
memset(term, 0, sizeof(term));
}

Matrix(double a[row][col]) {
cout << "Matrix(double a[row][col]) is called....." << endl;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
term[i][j] = a[i][j];
}
}
Matrix(const Matrix& T) {
cout << "Matrix(const Matrix& T) is called....." << endl;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
term[i][j] = T.term[i][j];
}
}

~Matrix() {
cout << term[0][0];
cout << "DESTROTER....\n";
}

double& operator()(int i, int j) {
return term[i][j];
}
void print() {
cout << "----------------\n";
for (int i = 0; i < row; i++){
for (int j = 0; j < col; j++) {
cout << term[i][j] <<"\t";
}
cout << endl;
}
}
};
Matrix& operator+(Matrix A, Matrix B) {
Matrix C;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++)
C.term[i][j] = A(i, j) + B(i, j);
}
return C;
}
int main()
{
double a[3][3] = { { 1,2,3 },{ 4,5,6 },{ 7,8,9 } };
double b[3][3] = { { 4,5,6 },{ 7,8,9 },{ 1,2,3 } };
Matrix A(a), B(b);
A.print();
B.print();
Matrix C = A + B;
C.print();
system("Pause");
return 0;
}
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2016年12月16日 星期五

Ex12 C++ Class Constructor and Destructor

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2016年12月16日星期五