Commit fd3dcc6

committed

pass by address, by reference. Return by address and by reference

1 parent ab65ae4 commit fd3dcc6Copy full SHA for fd3dcc6

File tree

+117

-0

lines changed

+117

-0

lines changed

Lines changed: 23 additions & 0 deletions

Lines changed: 25 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,25 @@`
	`1`	`+#include <iostream>`
	`2`	`+`
	`3`	`+using namespace std;`
	`4`	`+`
	`5`	`+void swap(int &a, int &b)`
	`6`	`+{`
	`7`	`+ cout<<"The address of variable a ="<<&a<<endl<<"The address of variable b ="<<&b<<endl;`
	`8`	`+`
	`9`	`+ int temp = a;`
	`10`	`+ a = b;`
	`11`	`+ b = temp;`
	`12`	`+}`
	`13`	`+`
	`14`	`+int main(void)`
	`15`	`+{`
	`16`	`+ int x = 1953, y = 1954;`
	`17`	`+ cout<<"Before swaping the values, x = "<<x<<" and y = "<<y<<endl;`
	`18`	`+ cout<<"The address of variable x ="<<&x<<endl<<"The address of variable y ="<<&y<<endl;`
	`19`	`+`
	`20`	`+ swap(x,y);`
	`21`	`+`
	`22`	`+ cout<<"After swaping the values, x="<<x<<" and y="<<y<<endl;`
	`23`	`+`
	`24`	`+ return 0;`
	`25`	`+}`

Lines changed: 51 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,51 @@`
	`1`	`+#include <iostream>`
	`2`	`+`
	`3`	`+using namespace std;`
	`4`	`+`
	`5`	`+`
	`6`	`+int * myfunction()`
	`7`	`+{`
	`8`	`+ int *p = new int[10];`
	`9`	`+`
	`10`	`+ cout<<"The memory address of the p variable is "<<p<<endl;`
	`11`	`+`
	`12`	`+ for (int i = 0; i<10; i++)`
	`13`	`+ {`
	`14`	`+ p[i] = i + 1;`
	`15`	`+ }`
	`16`	`+`
	`17`	`+ return p;`
	`18`	`+}`
	`19`	`+`
	`20`	`+int main(void)`
	`21`	`+{`
	`22`	`+ int *r = myfunction();`
	`23`	`+`
	`24`	`+ cout<<"The address of the r variable is "<<r<<endl;`
	`25`	`+`
	`26`	`+ for(int i = 0; i<10; i++)`
	`27`	`+ {`
	`28`	`+ cout<<r[i]<<endl;`
	`29`	`+ }`
	`30`	`+`
	`31`	`+ delete[] r;`
	`32`	`+`
	`33`	`+`
	`34`	`+ // instantiating the elements of an array using the pointers`
	`35`	`+ int *m = new int[5];`
	`36`	`+ int *temp = m;`
	`37`	`+ cout<<"m is "<<m<<endl;`
	`38`	`+ for(int j = 0;j<5 ;j++)`
	`39`	`+ {`
	`40`	`+ *temp = j;`
	`41`	`+ temp++;`
	`42`	`+ cout<<m[j]<<endl;`
	`43`	`+`
	`44`	`+ }`
	`45`	`+`
	`46`	`+ delete[] m;`
	`47`	`+ m = nullptr;`
	`48`	`+ temp = nullptr;`
	`49`	`+`
	`50`	`+ return 0;`
	`51`	`+}`

Lines changed: 18 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,18 @@`
	`1`	`+#include <iostream>`
	`2`	`+`
	`3`	`+using namespace std;`
	`4`	`+`
	`5`	`+int & fun(int &a)`
	`6`	`+{`
	`7`	`+ cout<<"The address of a is "<<&a<<" and the value of a is "<<a<<endl;`
	`8`	`+ return a;`
	`9`	`+}`
	`10`	`+`
	`11`	`+int main(void)`
	`12`	`+{`
	`13`	`+ int x = 1953;`
	`14`	`+`
	`15`	`+ fun(x) = 1954;`
	`16`	`+`
	`17`	`+ cout<<"The value of x is "<<x<<endl;`
	`18`	`+}`

Comments

(0)