Menu Error Checking
May 7, 2011 at 9:15am UTC
I have the following
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bool Exit = false ;
while (!Exit)
{
int choice;
cout << endl;
cout << "=======================================" << endl;
cout << " " << endl;
cout << " WELCOME TO STUDENT RECORD " << endl;
cout << " " << endl;
cout << "=======================================" << endl;
cout << "Select Action: " << endl;
cout << "1) Display Student Deails" << endl;
cout << "2) Sort Using Insertion Sort" << endl;
cout << "3) Sort Using Merge Sort" << endl;
cout << "4) Search Sorted Array Using Binary Search" << endl;
cout << "5) Add the Array to a Stack" << endl;
cout << "6) Display the Array" << endl;
cout << "7) Exit" <<endl;
cout << "=======================================" << endl;
cout << "Enter choice: " ;
cin >> choice;
if i enter a number it just sends me back to Menu. but if i enter a letter the Program goes into a Loop. how can i get a Error catch for this ?
May 7, 2011 at 10:10am UTC
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if ( cin>>choice ) //do stuff...
else {
//input could not be interpreted as a number
cin.clear();
cin.ignore( numeric_limits<streamsize>::max() /*this is basically a big number*/ , '\n' );
}
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