java - how to change the values in the array list -

-

i doing assignment in school, have make restaurant table management system. have written following code having problem edit items. supposed edit items in array list. have make sure when re-run program changes still there. editmenu() in manager class , array list in meal class

but have make sure when re-run program changes still there.

use file or database. vanish when rerun program since in memory before.


Comments

Post a Comment

Popular posts from this blog

php - Autoloader issue not returning Class -

-
problem? bootloader (autoloader) not seem working properly, or i'm missing something. here simplified code. the code below returns class "skeleton" not exist. on index.php file. index.php <?php include 'bootloader.php'; use skeleton\html\loginheader; $tool = new skeleton/html/loginheader(); bootloader.php <?php function boot($classname) { $filename = ''; $namespace = ''; // sets include path "src" directory $includepath = dirname(__file__).directory_separator.'src'; if (false !== ($lastnspos = strripos($classname, '\\'))) { $namespace = substr($classname, 0, $lastnspos); $classname = substr($classname, $lastnspos + 1); $filename = str_replace('\\', directory_separator, $namespace) . directory_separator; } $filename .= str_replace('_', directory_separator, $classname) . '.php'...
Read more

C++ Program To Find Smallest and Largest Number In Array -

-
beginner in c++ here , learning arrays. program below supposed return smallest , largest number in array using 2 separate functions. 1 largest , 1 smallest number. however, returning 0 time function lastlowestindex , unsure may doing wrong. could ever kindly advice , show me incorrect in function , can done correct returns correct value? not seeing and/or understanding incorrect. thank , time in advance!!! #include <iostream> #include <cstdlib> int lastlargestindex(int [], int); int lastlowestindex(int [], int ); using namespace std; int main() { const int n = 15; int arr[n] = {5,198,76,9,4,2,15,8,21,34,99,3,6,13,61}; int location; //int location2; location = lastlargestindex( arr, n ); cout << "the last largest number is:" << location << endl; location = lastlowestindex(arr, n); cout << "the last smallest number is:" << location << endl; // std::system ("pause"); ...
Read more

How do I compare strings in Java? -

-
i've been using == operator in program compare strings far. however, ran bug, changed 1 of them .equals() instead, , fixed bug. is == bad? when should , should not used? what's difference? == tests reference equality (whether same object). .equals() tests value equality (whether logically "equal"). objects.equals() checks nulls before calling .equals() don't have (available of jdk7, available in guava ). consequently, if want test whether 2 strings have same value want use objects.equals() . // these 2 have same value new string("test").equals("test") // --> true // ... not same object new string("test") == "test" // --> false // ... neither these new string("test") == new string("test") // --> false // ... these because literals interned // compiler , refer same object "test" == "test" // --> true // ... should call objects.equals() o...
Read more