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Anonymity and Privacy / Re: Email and Username Tips for Maintaining Search Anonymity
« on: March 19, 2012, 10:43:03 am »
hey thanks for the tip now i know why people are hard to find
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Java / [JAVA] Metric conversion help?
« on: March 18, 2012, 12:05:49 pm »
Hey guys I need help about this code this is my case study for COPRO(computer programming 2).
Im using eclipse indigo to run my java codes and i think it runs properly but when i run this to jcreator it says it has 1 or 2 errors..if yah know which are the errors please kindly comment below
Im using eclipse indigo to run my java codes and i think it runs properly but when i run this to jcreator it says it has 1 or 2 errors..if yah know which are the errors please kindly comment below
Code: [Select]
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class Converter extends JFrame {
static JFrame frame;
static JComboBox<?> metb, impb;
static Container pane;
static Insets insets;
static JLabel to;
static JButton go, clear1, clear2;
static JTextField metf, impf;
static Dimension screenSize;
static Point middle, newLocation;
public static void compute(String meti, String impi, int x, int y, double ratio) {
if (meti.length() >= 1 && impi.length() == 0) { //converting from metric to imperial
if (metb.getSelectedIndex() != 0 && impb.getSelectedIndex() != 0) { //if user has selected units
//length
if (metb.getSelectedIndex() >= 1 && impb.getSelectedIndex() >= 1) {
if (metb.getSelectedIndex() == x && impb.getSelectedIndex() == y) {
double parse = Double.parseDouble(meti);
double ans = parse * ratio;
String result = "" + ans;
impf.setText(result);
}
}
} else {
JOptionPane.showMessageDialog(frame,"Please select you units");
}
} else if (meti.length() == 0 && impi.length() >= 1) { //converting from imperial to metric
if (metb.getSelectedIndex() != 0 && impb.getSelectedIndex() != 0) { //if user has selected units
if (metb.getSelectedIndex() >= 1 && impb.getSelectedIndex() >= 1) {
if (metb.getSelectedIndex() == x && impb.getSelectedIndex() == y) {
double parse = Double.parseDouble(impi);
double ans = parse / ratio;
String result = "" + ans;
metf.setText(result);
}
}
} else {
JOptionPane.showMessageDialog(frame,"Please select your units");
}
}
}
public static void temperature(String meti, String impi) {
if (meti.length() >= 1 && impi.length() == 0) { //converting from metric to imperial
if (metb.getSelectedIndex() != 0 && impb.getSelectedIndex() != 0) { //if user has selected units
//length
if (metb.getSelectedIndex() >= 7 && metb.getSelectedIndex() <= 8) {
if (metb.getSelectedIndex() == 7 && impb.getSelectedIndex() == 10) {//k f
double parse = Double.parseDouble(meti);
double ans = 9/5 * (parse - 273) + 32;
String result = "" + ans;
impf.setText(result);
} else if (metb.getSelectedIndex() == 8 && impb.getSelectedIndex() == 9) {//c k
double parse = Double.parseDouble(meti);
double ans = parse + 273;
String result = "" + ans;
impf.setText(result);
} else if (metb.getSelectedIndex() == 8 && impb.getSelectedIndex() == 10) {//c f
double parse = Double.parseDouble(meti);
double ans = 9/5 * parse + 32;
String result = "" + ans;
impf.setText(result);
}
}
} else {
JOptionPane.showMessageDialog(frame,"Please select your units");
}
} else if (meti.length() == 0 && impi.length() >= 1) { //converting from imperial to metric
if (metb.getSelectedIndex() != 0 && impb.getSelectedIndex() != 0) { //if user has selected units
if (metb.getSelectedIndex() == 7 && impb.getSelectedIndex() == 10) {//f k
double parse = Double.parseDouble(impi);
double ans = 9/5 * (parse - 32) + 273;
String result = "" + ans;
metf.setText(result);
} else if (metb.getSelectedIndex() == 8 && impb.getSelectedIndex() == 9) {//k c
double parse = Double.parseDouble(impi);
double ans = parse - 273;
String result = "" + ans;
metf.setText(result);
} else if (metb.getSelectedIndex() == 8 && impb.getSelectedIndex() == 10) {//f c
double parse = Double.parseDouble(impi);
double ans = 9/5 * parse - 32;
String result = "" + ans;
metf.setText(result);
}
} else {
JOptionPane.showMessageDialog(frame,"Please select you units");
}
}
}
public static class goAction implements ActionListener {
public void actionPerformed(ActionEvent e) {
String meti = metf.getText();
String impi = impf.getText();
if (meti.length() == 0 && impi.length() >= 1 || meti.length() >= 1 && impi.length() == 0) {
compute(meti, impi, 1, 1, 0.0393700787); //mm in
compute(meti, impi, 1, 2, 0.0032808399); //mm ft
compute(meti, impi, 1, 3, 0.0010936133);//mm yd
compute(meti, impi, 1, 4, 0.000000621371192); //mm mi
compute(meti, impi, 2, 1, 0.393700787);//cm in
compute(meti, impi, 2, 2, 0.032808399);//cm ft
compute(meti, impi, 2, 3, 0.010936133);//cm yd
compute(meti, impi, 2, 4, 0.00000621371192);//cm mi
compute(meti, impi, 3, 1, 39.3700787);//m in
compute(meti, impi, 3, 2, 3.2808399);//m ft
compute(meti, impi, 3, 3, 1.0936133);//m yd
compute(meti, impi, 3, 4, 0.000621371192);//m mi
compute(meti, impi, 4, 1, 39370.0787);//km in
compute(meti, impi, 4, 2, 3280.8399);//km ft
compute(meti, impi, 4, 3, 1093.6133);//km yd
compute(meti, impi, 4, 4, 0.621371192);//km mi
compute(meti, impi, 5, 5, 0.0338140227);//ml fl oz
compute(meti, impi, 5, 6, 0.00211337642);//ml pt
compute(meti, impi, 5, 7, 0.00105668821);//ml qt
compute(meti, impi, 5, 8, 0.000264172052);//ml gal
compute(meti, impi, 6, 5, 33.8140227);//l fl oz
compute(meti, impi, 6, 6, 2.11337642);//l pt
compute(meti, impi, 6, 7, 1.05668821);//l qt
compute(meti, impi, 6, 8, 0.264172052);//l gal
compute(meti, impi, 7, 9, 1); //k k
compute(meti, impi, 9, 11, 0.0352739619);//g oz
compute(meti, impi, 9, 12, 0.00220462262);//g lb
compute(meti, impi, 9, 13, 0.000157473044);//g st
compute(meti, impi, 9, 14, 0.00000110231131);//g t
compute(meti, impi, 10, 11, 35.2739619);//kg oz
compute(meti, impi, 10, 12, 2.20462262);//kg lb
compute(meti, impi, 10, 13, 0.157473044);//kg st
compute(meti, impi, 10, 14, 0.00110231131);//kg t
compute(meti, impi, 11, 11, 35273.9619);//mt oz
compute(meti, impi, 11, 12, 2204.62262);//mt lb
compute(meti, impi, 11, 13, 157.473044);//mt st
compute(meti, impi, 11, 14, 1.10231131);//mt t
temperature(meti, impi);//k f, c k, c f
} else if (meti.length() >= 1 && impi.length() >= 1) { //input in two fields
JOptionPane.showMessageDialog(frame,"Please only put a number on one side");
impf.setText("");
metf.setText("");
} else if (meti.length() == 0 && impi.length() == 0) { //input in no fields
JOptionPane.showMessageDialog(frame,"Please enter a number to be converted");
}
}
}
public static class clear1Action implements ActionListener {
public void actionPerformed(ActionEvent e) {
metf.setText("");
}
}
public static class clear2Action implements ActionListener {
public void actionPerformed(ActionEvent e) {
impf.setText("");
}
}
public static void main (String[] args) {
try {UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());}
catch (ClassNotFoundException e) {}
catch (InstantiationException e) {}
catch (IllegalAccessException e) {}
catch (UnsupportedLookAndFeelException e) {}
String[] metric = { "metric:", "millimetres", "centimetres", "metres", "kilometres", "mililitres", "litres", "kelvin", "celcius", "grams", "kilograms", "tonnes" };
String[] imperial = { "imperial:", "inches", "feet", "yards", "miles", "fluid ounces", "US pints", "US quarts", "US gallons", "kelvin", "fahrenheit", "ounces", "pounds", "stones", "tons" };
frame = new JFrame ("Unit Converter");
metb = new JComboBox<Object> (metric);
impb = new JComboBox<Object> (imperial);
to = new JLabel("< -- to -- >");
go = new JButton("Go");
clear1 = new JButton("C");
clear2 = new JButton("C");
metf = new JTextField();
impf = new JTextField();
pane = frame.getContentPane();
insets = pane.getInsets();
pane.setLayout(null);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
metb.setSelectedIndex(0);
impb.setSelectedIndex(0);
pane.add(metf);
metf.setBounds(insets.left + 5, insets.top + 5, 200, metf.getPreferredSize().height);
pane.add(metb);
metb.setBounds(insets.left + 5, metf.getHeight() + 5, 282, metb.getPreferredSize().height);
pane.add(clear1);
clear1.setBounds(metf.getX() + metf.getWidth() + 5, insets.top + 5, clear1.getPreferredSize().width, metb.getPreferredSize().height);
pane.add(to);
to.setBounds(clear1.getX() + clear1.getWidth() + 5, insets.top + 5, to.getPreferredSize().width, to.getPreferredSize().height);
pane.add(impf);
impf.setBounds(to.getX() + to.getWidth() + 5, insets.top + 5, 200, impf.getPreferredSize().height);
pane.add(impb);
impb.setBounds(metb.getX() + metb.getWidth() + 5, impf.getHeight() + 5, 283, impb.getPreferredSize().height);
pane.add(clear2);
clear2.setBounds(impf.getX() + impf.getWidth() + 5, insets.top + 5, clear2.getPreferredSize().width, metb.getPreferredSize().height);
pane.add(go);
go.setBounds(clear2.getX() + clear2.getWidth() + 5, insets.top + 5, go.getPreferredSize().width, metb.getPreferredSize().height);
go.addActionListener(new goAction());
clear1.addActionListener(new clear1Action());
clear2.addActionListener(new clear2Action());
frame.setSize(580,110);
screenSize = Toolkit.getDefaultToolkit().getScreenSize();
middle = new Point(screenSize.width / 2, screenSize.height / 2);
newLocation = new Point(middle.x - (frame.getWidth() / 2), middle.y - (frame.getHeight() / 2));
frame.setLocation(newLocation);
frame.setVisible(true);
}
}
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