Project For Reservations At A Restaurant - Set Array In Parameters
May 3, 2015
Okay I am making a class for a reservation project for reservations at a restaurant. So in the end the whole thing has to take reservations, with a GUI and "book" them. For this class of the project I have to add a item to a array (that being name, phone, and so on). I also have to make a sort method.
private static int indexOfMinInRange(Reservations[] a,int low,int high) {
int max=high;
for(int i=high+1;i>=low;i--)
{if()
{max=i;}}
return max;}
[Code] ....
I am working with IndexOfMinInRange method, I don't know whether to set the return type to Reservations, or to set the array in the parameter to Reservations. This is my main problem.
I'm writing a classic airplane seating program. The program runs fine except for two things:
1) I want the user to exit the program when 0 is inputted (program also quits when all seats are reserved - this works fine already). Now the program quits when user hits blank line with enter. How to fix this and make 0 the exit key?
2) I would like for there to be a line below the seating chart saying that there are XX number of seats available. When user makes reservations, the line should update every time under the seating chart saying that there are such and such number of seats available. How to implement this?
import java.util.*; public class OmaAirplane { public static void main(String[] args) { System.out.println("Welcome to the seat reservation system!"); char[][] seats = new char [8][6]; ArrayList<String> reservedSeats = new ArrayList<>(); for (int i=0;i<8;i++){
I'm writing a classic airplane seating program. The program runs fine except for two things:
1) I want the user to exit the program when 0 is inputted (program also quits when all seats are reserved - this works fine already). Now the program quits when user hits blank line with enter. How to fix this and make 0 the exit key?
2) I would like for there to be a line below the seating chart saying that there are XX number of seats available. When user makes reservations, the line should update every time under the seating chart saying that there are such and such number of seats available. Any pointers on how to implement this?
import java.util.*; public class OmaAirplane { public static void main(String[] args) { System.out.println("Welcome to the seat reservation system!"); char[][] seats = new char [8][6]; ArrayList<String> reservedSeats = new ArrayList<>();
I have several private jars which are linked to my project and I need them to write and read values tofrom the same b-dimensional array. Actually I need a single array which in which my app and its linked jars will write to and read from it. How can I achieve that?
I am trying to do this program. it compiles and everything but the numbers are not coming out right. Heres the problem.
Write a program that computes the tax and tip on a restaurant bill. The program should use JOptionPane to ask the user to enter the charge for the meal. The tax should be 6.75 percent of the meal charge. The tip should be 15 percent of the total after adding the tax. Display the meal charge, tax amount, tip amount, and total bill on the screen.
import javax.swing.JOptionPane; public class Bill { public static void main(String[] args) { double mealPurchase = 0; mealPurchase = Double.parseDouble(JOptionPane.showInputDialog(nul l, " Enter meal total: "));
i downloaded a sample database code of an online payroll system. How can i assemble it to know how it works. the files include php and mysql files. it is to build an online payroll system
I tried many times to return a string from java project to an android project But it keeps sending incorrect values as in 2 as it should be 1 here is an example.
So I created this line class and when I try to create Line object with parameters, I don't know how to pass the parameters properly. It has to return two points, so it should be like [(1,2),(5,12)].I tried different things likeLine l1=new Line(Point p1(1,2),Point p2(5,12)); and similar, but nothing worked.
package line; import java.awt.Point; public class Line { private Point p1; private Point p2;
public class TestClass { public TestClass(String k){System.out.println(k);} public static void main(String[] args) { try { hello(); } catch(Exception e){System.out.println(e);}
[Code] ....
Explain how to catch block act as constructor with parameter?
I have this JAVA written but I can't get the parameters for the if statements right.
import java.util.Scanner; public class myFirstJAVA { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("Please enter command: "); String text = input.nextLine();
I'm trying to pass a parmeter to a jsf page from a servlet(i.e. associated with paypal adaptive api), but I keep getting the following error, even though the productType on ProductDetailsVO is a String.
INFO: WARNING: FacesMessage(s) have been enqueued, but may not have been displayed.
must be a number consisting of one or more digits.), detail=(j_idt2: '45;productType=Sport' must be a number between -2147483648 and 2147483647 Example: 9346)]
Calling JSF page contains:-
returnURL = new URL(new URL(request.getRequestURL().toString()),"pages/paypalpaymentapproved.xhtml?paypalID="+paypalID+";productType=Sport"); response.sendRedirect(returnURL.toString());
My understanding was I could override a method from the superclass, including with different parameters, but when I try to use super. it gives me an error the arguments have to match the superclass. But, if I do that it won't make any sense.
The first code below is the superclass. The issue I'm having is on the second code at lines 7 and 10. The ultimate goal is to make a new class where I'm able to display various packages with or without insurance.
public class Package { double shippingWeight; public char shippingMethod; final char air = 'A'; final char truck = 'T'; final char mail = 'M'; double shippingCost;
How to use a constructor with parameters where the user inputs the information? I'm doing a problem where I create a Delivery class that accepts arguments for the year, delivery number within the year, distance code (1 for short distance, 2 for long), and weight of package. The constructor is supposed to also determine the eight digit delivery number (combining the year and delivery number, like 20140054 for this year, package #54).
I know I'm not close to being done but I'm struck on the application with the constructor parameters. If I'm asking the user to input the information, does that mean I have to create a no argument constructor so it will compile? Right now it won't compile because it's asking for the parameters but I can't put them.
This is the class:
public class Delivery { int year; int delNum; double weight; int code;
[Code] .....
And the error is:
CreateDelivery.java:22: error: constructor Delivery in class Delivery cannot be applied to given types; Delivery firstDelivery = new Delivery(); ^ required: int,int,int,double found: no arguments reason: actual and formal argument lists differ in length 1 error
I have made a class here that has two methods. As you guys can notice, in my two methods that I made, I have listed some arguments in there with parameters. My question is that the variables im using in first method, can they be identical on my second method? Is this ok to do?
public class StudentScore { private int math; private int science; private int calc; private int history; private int pe;
public static void f() { int n = 5; p(n, 2 * n); } public static void p(int a, int b) { int x = 1; q(x, a + b); } public static void q(int x, int y) { int z = x + y; x = 0; ... } mh_sh_highlight_all('java');
When we write x = 0; that refers to the formal parameter int x and hence it's the formal parameter that changes value. why isn't the value of the actual parameter also changing?
So while experimenting with constructors, repeating constructors with the same parameters, and with different parameters. I got an output -explaining how I got it.
I made 2 classes. a "support class" (has all the info) and an "execute class" (executes info).
Support:
package inschool; public class Constructors { String video; public Constructors() { video = "frozen";
[Code] ....
Execute:
package inschool; //this is part of Constructors class public class App{ public static void main(String[] args){
[Code] ....
The Output:
the video name is frozen Second constructor running Constructor running! the video name is frozen
Output Explanation:
constructor call number 1 and 3 are the same (essentially) and both refer to the same constructor.
My Question: if both call #1 and #3 refer to the same constructor, why is the output for #1 "the video name is frozen"
while the output for #3 used both methods in the accessed constructor-with the resulting output as "Constructor running!" and "the video name is frozen"
I double checked the output-and this time made sure to scroll up ... its the same result
If I have a method that takes an ArrayList of a class called Piece and it uses the setPosition() method from Piece. It is changing the value of the array that I passed in, but I want the ArrayList to stay the same outside of the method. Is there any way I can change only the values on the inside of the method, but keep the same position values outside the method?Here is an example.
Piece class Java Code: public class Piece { private int xCoor; private int yCoor;
I want to have parameters that I use the "void" for, in other words it doesn't return anything.
class code { void go() { int TestStuff t = new TestStuff(); t.takeTwo(12,34) } void takeTwo (int x, int y) { int z = x + y; System.out.println("Total is:" + z); } }
import javax.swing.*; import java.awt.event.*; public class BookStore extends JFrame{ private JPanel panel; private JLabel question; //This will be where the question is. private JTextField NumofBooks; //this is where the user will enter the number of books private JButton OKButton,ClearButton,ExitButton; //Will give the user the points, cancel the points, and exit private final int WINDOW_WIDTH = 310; //Need to make it visible private final int WINDOW_HEIGHT = 100;
