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Member Avatar for sk8ergirl

I'm practcing for my test and I couldn't solve these questions I spent hours trying to solve it but every time I get error ArrayList<objClass> li = new ArrayList<>(); public objClass RemoveAtPos(int pos){ // I'm trying to remove the object at the given pos , but first I want to …

Member Avatar for Seldar
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Member Avatar for andrewriebel

Hello, all. I'm creating a program that lets a user play Hangman. I've attached the directions for the program for clarification. My code is pasted below. I've set up a couple methods for it, but I'm having difficulty in understanding how to call these methods in the main class (assuming …

Member Avatar for andrewriebel
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247
Member Avatar for Start4me

I was thinking if it would be possible to create a JFrame, and make the title of it to change, such as make the title work as a counter that will display some text like: The window was opened for 1 second. The window was opened for 2 second. The …

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Member Avatar for Denmbithi

hi everyone i need your help, i ave a project where by i have to create a simple mortgage calculator. the problem is that i have to create a login frame where it will redirect me to the main frame which is the calculator.Could someone show me how to switch …

Member Avatar for Seldar
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Member Avatar for kay19

Hello. Just learned about hashmap a week ago. My code can add an Employee's name/id/performance scale based on user input. I allow the user to also remove an employee by allowing user to input name/id to remove. However, when the user prints out sorted last name, the name the user …

Member Avatar for kay19
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Member Avatar for chdboy

I have this code which saves the value into database from JSpinner SpinnerListModel monthModel = new SpinnerListModel(); String[] monthStrings = {"1Month","3Month","6Month","1Year"}; //get month names monthModel = new SpinnerListModel(monthStrings); JSpinner spinner = new JSpinner(monthModel); statement.setString(28,(String)monthModel.getValue().toString().toUpperCase()); But how to get that value back for Editing? I tried spinner.setText((String)monthModel.getValue(),29); But it says The …

Member Avatar for Seldar
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Member Avatar for andrewriebel

Hello, all. The following is a problem I'm currently working on. I can't get it to run like the problem asks. Any help would be greatly appreciated.

Member Avatar for JamesCherrill
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Member Avatar for YumnaZia

I dont understand why the image isnt appearing! please help.. import javax.swing.*; import java.awt.*; //import java.awt.event.*; public class level2 extends JFrame{ Container con= getContentPane(); ImageIcon bg= new ImageIcon("D:\\Raptor\\background3.jpg"); JLabel back= new JLabel(bg); level2(){ setDefaultCloseOperation(EXIT_ON_CLOSE); setLayout(null); setSize(1300,700); back.setBounds(0,0,500,500); con.add(back); setVisible(true); } public static void main(String[] args) { new level2(); } }

Member Avatar for Seldar
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Member Avatar for ARC.1

Write a Java program which adds all numbers that are multiples of either 7 or 9 up to 600. Ensure that numbers like 63 are added only once in the sum. Thanks for help

Member Avatar for Seldar
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Member Avatar for sweetdame22

My assignment is to create a program that asks the user what they want to do: 1-add a member, 2-delete a member, 3-see the arraylist of members, or 4- exit. I have the menu popping up, but I can't get it to go back to the menu after I execute …

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Member Avatar for durgesh1

hello friend i like to make program in which user can selecte product and they can choose on e or more product by clicking add button now i want to save this firstly temporary all selected product when they click on add button and when user click on submit it …

Member Avatar for StephenHero
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Member Avatar for lizzy2

Hi, I am working on a program that prompts the user for answers to a quiz. The answers can only be a, b, c or d and they are saved to an array which I later compare to my answer key array. Below is the method I have written to …

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Member Avatar for eijnar

how can i create this pattern in a java loop with the use of input. for example input is x = 5 y = 6. this will be the output. ***** * * * * * * * * ***** I've tried different code but it gets me to full …

Member Avatar for IIM
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Member Avatar for MONTS

import java.io.EOFException; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.io.OutputStream; import java.io.Serializable; import java.util.ArrayList; import java.util.Scanner; class Record implements Serializable { int roll; String name; public void setData() { Scanner scr=new Scanner(System.in); System.out.println("Enter Roll Number: "); roll=scr.nextInt(); System.out.println("Enter Name: "); name=scr.next(); writeData(); } public …

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Member Avatar for Michal_2

Hello Guys, If I have a string "Registration 00DL5876 Make" is there a way to match the first word and the last ("Registration" & "Make") and than pass the substring "00DL5876" to seperate string ? how about "Primera SR 2.0 D Colour" if i want "SR 2.0 D" ? I …

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Member Avatar for reincom

if(isource == txtFirstname){ try{ String searchHotelCustomer = "Select * from HotelCustomer where CUSFirstName='"+CUSFirstName+"'"; driver.selectQuery(searchHotelCustomer); ResultSet rsSearch = driver.rs; if(rsSearch.next()){ txtRoomNum.setText(rsSearch.getString("RoomNumber")); } } how do i get int value from text?

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Member Avatar for Seldar

Hello everyone and Merry Christmas. The reason I am opening this thread is that I am required to write a polynomial calculator in Common LISP as part of a Course Work. As I am newbie to LISP(s) I am asking you if anyone can help me with it . The …

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Member Avatar for Seldar

Hello everyone. I am University of Bath Computer Information Systems student and i have to submit a java calculator. As far as i am quite new to java i would like to kindly ask you for some help with it. Here is my task: Write a program that takes as …

Member Avatar for AndreiDMS
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