How to Convert Binary to Decimal in java programming

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how to convert binary number to decimal in complete Java programming by easy ways ......

Amanj Ahmed

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Dude, you just did my homework...thanks :-)

VS-eylf

this video is a whole meme lmaoooo. but good stuff, thanks!

diistruct

to all the video tutorials in the youtube this one is the shortest and easiest one for me. Thanks!

spade

package dec_to_binary;

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

import Converter.Converter;

public class DEC_TO_BINARY extends JFrame{
public static void main(String[] args) {
String[] Options = {"String", "Numbers"};
JComboBox List = new JComboBox();
for(int i = 0; i < Options.length; i++){
List.addItem(Options[i]);

}

List.setBounds(25, 150, 150, 25);
JFrame frame = new JFrame();
JPanel panel = new JPanel();

JMenuBar menubar = new JMenuBar();
frame.setJMenuBar(menubar);
JMenu save_as = new JMenu("Save");
JMenu Help = new JMenu("Help");

JMenuItem save = new JMenuItem("Save Output As");
JMenuItem Errors_Help = new JMenuItem("Error Help");

save_as.add(save);
Help.add(Errors_Help);

menubar.add(save_as);
menubar.add(Help);

panel.setLayout(null);

panel.add(List);

JTextArea Input = new JTextArea();
Input.setBounds(200, 100, 230, 200);
panel.add(Input);

JScrollPane scroll = new JScrollPane(Input, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
panel.add(scroll);
scroll.setBounds(230, 100, 230, 200);

JTextArea Result = new JTextArea();
Result.setBounds(30, 250, 100, 100);
panel.add(Result);

JScrollPane scroll2 = new JScrollPane(Result, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
scroll2.setBounds(30, 250, 100, 80);
panel.add(scroll2);

JLabel Text1 = new JLabel("Converter Version 1");
Text1.setBounds(150, 30, 150, 50);
panel.add(Text1);

JButton Convert_Button = new JButton("Convert");
ActionListener(){
@Override
public void actionPerformed(ActionEvent e){

String Type =
if(Type == "Numbers"){
Converter Convert = new Converter();
int Decimal =
String output = Convert.Convert_Int(Decimal, Type);
Result.setText(output);

}
if(Type == "String"){
Converter Convert = new Converter();
String string = Input.getText();
String output = Convert.Convert_String(string, Type);
Result.setText(output);

}

}

});

Convert_Button.setBounds(0, 50, 100, 50);
panel.add(Convert_Button);

JLabel Answer_Label = new JLabel("Output :");
Answer_Label.setBounds(25, 200, 50, 50);
panel.add(Answer_Label);

frame.setTitle("Convert To Binary");
frame.setSize(new Dimension(500, 400));
frame.setResizable(false);

frame.setVisible(true);

}

}

package Converter;
import java.util.*;

public class Converter{
boolean Running = true;
public String Convert_String(String string, String Type){
List<String> string_list = new ArrayList<>();
Map<String, String> dictionary = new HashMap<String, String>();

dictionary.put("a", "01100001");
dictionary.put("b", "01100010");
dictionary.put("c", "01100011");
dictionary.put("d", "01100100");
dictionary.put("e", "01100101");
dictionary.put("f", "01100110");
dictionary.put("g", "01100111");
dictionary.put("h", "01101000");
dictionary.put("i", "01101001");
dictionary.put("j", "01101010");
dictionary.put("k", "01101011");
dictionary.put("l", "01101100");
dictionary.put("m", "01101101");
dictionary.put("n", "01101110");
dictionary.put("o", "01101111");
dictionary.put("p", "01110000");
dictionary.put("q", "01110001");
dictionary.put("r", "01110010");
dictionary.put("s", "01110011");
dictionary.put("t", "01110100");
dictionary.put("u", "01110101");
dictionary.put("v", "01110110");
dictionary.put("w", "01110111");
dictionary.put("x", "01111000");
dictionary.put("y", "01111001");
dictionary.put("z", "01111010");
dictionary.put(" ",

string = string.toLowerCase();
for(String letter : string.split("")){
String position = dictionary.get(letter);
string_list.add(position);
string_list.add("\n");

}

String Output = String.join("", string_list);
System.out.println(Output);

return Output;

}
public String Convert_Int(int Decimal, String Type){
List<String> Numbers = new ArrayList<>();
int Times = 0;
if(Decimal == 0)
{
Numbers.add("0");
String Output = String.join("", Numbers);
return Output;
}
while(Running)
{
if(Decimal % 2 == 1){
Times += 1;
Numbers.add("1");
Decimal = Decimal / 2;
}
if(Decimal % 2 == 0){
Times += 1;
Numbers.add("0");
Decimal = Decimal / 2;
}

if(Decimal <= 1){
Times += 1;
Running = false;
Numbers.add("1");

}

if(Times > 6){
Numbers.add("* ");
Numbers.add("\n");
Times = 0;

}

}

// Collections.sort(Numbers);
Collections.reverse(Numbers);

String Output = String.join("", Numbers);
System.out.println(Output);
return Output;

}

}

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