Draw Ascending Stairs Using For Loops
Sep 27, 2014
I'm not looking for answers, well I am.. but not just straight given to me. I'm trying to learn but for this program I'm not even sure where to start. One step looks like this:
O *******
/| * *
/ * *
************
It must increase by a constant named STEPS. They ascend from left and go up right.
I'm just gonna start asking some questions I guess. Before I do anything I wanted to know whether I should have the stick man on the step drawn out with print and println statements or try to have him drawn with a loop as well? I'm not sure if my teacher wants everything drawn by characters with loops for each character, or if I can do print statements and draw the stick figure plus some stars and have a loop for multiple characters at once.
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Apr 21, 2015
So currently I'm trying to learn how to draw a square with asterisks based on the input I give for it's sideLength.
So if I have a Square(5) it should draw a 5x5 looking like this:
*****
*****
*****
*****
*****
but then in the main method, it should draw multiple squares of given sizes, so say 5, 6, and 7. Making a square for each of the given numbers. This is what I currently have so far ....
class Square {
int sideLength; Square( int size ) {
sideLength= size;
} int getArea() {
return sideLength * sideLength;
[Code] ....
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Dec 22, 2014
I am trying to make a programm that reads a word and display if the letters are in ascending order or not in ascending order(All kind of letters..capitals..etc). I have made a code but its not 100% correct.
My code:
class Main
{
public static void main(String args[])
{
System.out.print( "#Enter text : " );
String text = BIO.getString();
while ( ! text.equals( "END" ) )
{
if (text.equals("END"))
[Code] ....
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May 6, 2014
I have not a clue how to convert this to ascending from its current descending....
class Node
{
private int iData; // data item (key)
//-------------------------------------------------------------
public Node(int key) // constructor
{ iData = key; }
//-------------------------------------------------------------
public int getKey()
{ return iData; }
[Code] .....
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Dec 22, 2014
I am trying to make a program that reads a word and display if the letters are in ascending order or not in ascending order(All kind of letters, capitals ). I have made a code but its not 100% correct. My code:
class Main
{
public static void main(String args[]) {
System.out.print( "#Enter text : " );
String text = BIO.getString();
[code]...
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Apr 27, 2014
I need to put my scores in ascending order how do i do that?
public static void main(String[] args) {
char[][] answers = {
{'A', 'B', 'A', 'C', 'C', 'D', 'E', 'E', 'A', 'D'},
{'D', 'B', 'A', 'B', 'C', 'A', 'E', 'E', 'A', 'D'},
{'E', 'D', 'D', 'A', 'C', 'B', 'E', 'E', 'A', 'D'},
{'C', 'B', 'A', 'E', 'D', 'C', 'E', 'E', 'A', 'D'},
[Code] ....
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May 8, 2013
I am making a program to read data from excel files and store them in tables by their IDs. I have managed to read all the data from excel files as a string and store them in a table. But my project is to store them in table by ascending IDs. I have created the comparator in another class but when i call it in the main class nothing happened. The data that I have to store is like the below:
ID Name Salary
50 christine 2349000
43 paulina 1245874
54 laura 4587894
23 efi 3456457
43 jim 4512878
The codes are below:
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
[URL] ....
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Apr 10, 2014
I am sorting an array in ascending and descending order. I am using the nethods in Arrays as below
Arrays.sort(myArray)
I want to print both input and output array in sysout.
Object[] ipArray = [45,8,32,41,11,7];
Object[] opArray;
Object mArray = ipArray;
Arrays.sort(mArray); This is changing the ipArray too ?
How can I get my input array unmodified ?
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Aug 9, 2014
tfrreee i want to display given series in ascending order in java prog here is an error : E:Javajdkin>java ascend 505671Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 7 at ascend.main(ascend.java:9)
Java Code:
class ascend
{
public static void main (String args[])
{
int s[]={ 50,71,81,21,7};
int i;
for(i=0;i<=s.length;i++)
[Code]...
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Mar 21, 2014
For example, if i am given 9864
Imust output 4689
Without use of arrays.
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Oct 15, 2014
I am writing a program that grab user input number which represent beats per minute separated by commas. It then parses the numbers and reorders them from smallest to largest and then outputs the average, medium, maximum and minimum number all in separate lines. I am having trouble getting the array to sort the input from smallest to largest. It is currently only working for 3 numbers inputted. Anything more will not reorder it.
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package heartrate;
import java.util.Scanner;
import java.util.Arrays;
[Code] ....
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Apr 7, 2014
How do u copy all the elements in an array eg A into another array eg B? This is the question:
An array A contains integers that first increase in value and then decrease in value,
For example, 17 24 31 39 44 49 36 29 20 18 13
It is unknown at which point the numbers start to decrease. Write efficient code to code to copy the numbers in A to another array B so that B is sorted in ascending order. Your code must take advantage of the way the numbers are arranged in A.
This is my program:
This is the error message:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException
at java.lang.System.arraycopy(Native Method)
at Quest30.CopyAndSortArray.main(CopyAndSortArray.jav a:16)
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Nov 12, 2014
I am writing a program that is supposed to take 3 numbers inputted by the user and sorting them out in an ascending order. I believe my code is correct but can't figure out why the program isn't behaving as expected.
import java.util.*; //Required to use the scanner console
public class Week3_Programming_Problem
{
static Scanner console = new Scanner(System.in); //Allows for user input
public static void main(String[] args)
[code]....
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Oct 21, 2014
I couldn't where the problem with this code. The question is : (Write a program that reads in nine integers and sorts the value in the ascending order. Next, the program restores the sorted integers in a 3 x 3 two-dimensional array and display the integers as shown in the result.) And this how i did it:
package test1;
import java.io.*;
import java.util.*;
public class test1{
public static void main(String[] args){
int[] hold = new int [9];
Scanner sc = new Scanner(System.in);
System.out.print("Enter 9 integers, press <Enter> after each");
{
for (int i = 0; i < hold.length; i++);
[Code] ....
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Sep 12, 2014
I wrote displayAscending() and displayDescending() methods to this double linked list and it is not working at all. Logically it seems fine to me. I positioned the head in the beginning in the ascending method; created a variable named data1 as an auxiliar variable so it can store the values that are going to be moved; and moved the values. Same thing for the descending method but instead of the head I put the tail and move left the list, instead of right.
import java.util.*;
class node {
int data;
node left;
node right;
node(int d, node l, node r) {
data = d;
[Code]...
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Apr 16, 2015
I have a JPanel embedded in a JScrollPane. I draw in the JPanel, using the paint() method. I have to draw some shapes that can go far in the y direction, that's why I put my JPanel in a scroll pane, in order to scroll down to be able to discover the shapes down. But even though I put my JPanel in a JScrollPane, it soon blocks in the y direction and does not show the shapes far in the y direction.
Note: I used a GridBagConstraints which is correctly set, with its fill attribute etc.
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Oct 30, 2014
So I also am working on this problem. My frame does print each new rectangle; however, it is printed each time from the top left corner, and the bottom right is where I click.
Here is my RectangleComponent:
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.Shape;
import java.util.ArrayList;
import javax.swing.JComponent;
public class RectangleComponent extends JComponent
[Code] ....
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Jan 21, 2014
So I drew a menu in DrawingPanel extends JPanel, that gets user input of number of players...etc. I also have a boolean, when true, the board is drawn, but apparently, right when I run, the boolean is checked, returns false and so board isn't drawn at all. When the user finishes input, the boolean becomes true, but the board doesn't get drawn. So my question is, how do I draw something not immediately when the program is ran?
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May 9, 2014
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
public class Game extends JPanel implements ActionListener, KeyListener{
Timer t = new Timer(5,this);
double x = 0, y = 0, velx = 0, vely = 0;
[Code] .....
So why doesn't it work and what about the second dot.... ?
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May 26, 2014
I 'm trying to draw a button by resizing a simple button background image to fit the size of the text. Everything works well except for the actual drawing of the string. The y value that I give the Graphics object designates the baseline, however I would like to draw the the string above the y. So that the image below doesn't happen.
I gave the graphics object the y of the bottom of the "P" and would instead like to give it the value of the bottom of the "y". Is there a way to do that by reading the String's bounds or something, or is there a way to get the Graphics object to use the passed y value as the definite bottom of the String?
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Apr 8, 2014
If I have a function for example y=x^2
How can I draw the curve?
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May 16, 2014
I'm doing a exercise for dragging mouse to draw a line. I found a code to do this, but I don't know something in the code. example array Shape in the code.
import java.awt.AlphaComposite;
import java.awt.BasicStroke;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Graphics;
[Code] ....
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May 14, 2014
draw a sequential diagram using java.with out using any other tool or plugins.
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Aug 3, 2014
I've tried multiple things but I can't seem to figure out how to get my JButton over the background graphics. On lines 104-108 I create the JButton I need to put on the screen, though I have no clue how to draw it. How I can paint over this background and have my button stay there?
public static final int WIDTH = 1024;
public static final int HEIGHT = 640;
private Thread thread;
private boolean running;
private BufferedImage image;
private Graphics2D g;
[Code] .....
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Apr 14, 2015
I've been trying to draw a panel on a frame with simple drawString drawRect and oval but when i run it the frame shows up with the exit on close stuff but nothing will show inside . this is my code :
import java.awt.Graphics;
import javax.swing.JPanel;
import javax.swing.JFrame;
class Draw extends JPanel{
public void paintcomponents(Graphics g){
super.paintComponent(g);
g.drawLine(10,15,20,30);
[Code] .....
I'm not sure what's wrong , probably something to do from this pc ? since in the lab work at uni it worked fine .
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Jul 23, 2014
I extracted columns from database and made calculations inside while loop. I know i need to make array to get from it coordinates for points. I want to draw them in interface created in another class but i have black hole and don't know how to get datas from while loop to array which is below.
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