File Input Output

~cpp 
#include <fstream>
using namespace std;

int main()
{
	ifstream fin("input.txt"); // fin과 input.txt를 ���결 
	ofstream fout("output.txt"); // fout과 output.txt를 ���결

	int a,b;
	fin >> a >> b; // cin���로 ���면������ ���력��는다면, fin��� ���결된 ������로부��� ���력��는다.
	fout << a+b << endl; // cout���로 ���면���로 ���력���다면, fout��� ���결된 output.txt��� a+b를 ���력
	return 0;
}

~cpp 
3 8

~cpp 
fin = file('input.txt')
fout = file('output.txt.','w')

a,b=[int(i) for i in fin.read().split()]
print >> fout,(a+b) #������ fout.writeline( str(a+b)+'n' )

fin.close()
fout.close()

~cpp 
3 8

~cpp 
try { 
String inputString; 
InputStreamReader isr = new InputStreamReader(new FileInputStream(fileName)); 
BufferedReader br = new BufferedReader(isr); 
while((inputString = br.readLine()) != null) { 
      buf = buf + inputString ; 
      buf = buf + "r" ; 
      buf = buf + "n" ; 
       {} br.close(); 
} 
catch (IOException e) 
 System.out.println("Error : "+ e.toString()); {}