Tuesday, April 30, 2013

How to Convert from binary to hex in java




Simple One line code to convert String containing a binary value to Hex


String bin = Integer.toHexString(Integer.parseInt(binOutput, 2));


Full Code for conversion


import java.io.*;
import java.lang.*;



public class  BinaryToHexadecimal{
  public static void main(String[] args)throws IOException{
  BufferedReader bf= new BufferedReader(new InputStreamReader(System.in));
  System.out.println("Enter the Binary number:");
  String hex = bf.readLine();
  long num = Long.parseLong(hex);
  long rem;
  while(num > 0){
  rem = num % 10;
  num = num / 10;
  if(rem != 0 && rem != 1){
  System.out.println("This is not a binary number.");
  System.out.println("Please try once again.");
  System.exit(0);
  }
  }
  int i= Integer.parseInt(hex,2);
  String hexString = Integer.toHexString(i);
  System.out.println("Hexa decimal: " + hexString);
  }
}

run:
Enter the Binary number:
101010
Hexa decimal: 2a

----------------------------------------------
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String containing a binary value to Hex

How to convert binary value to decimal in Java


How to convert binary to decimal in java




public static int integerfrmbinary(String str){
    double j=0;
    for(int i=0;i<str.length();i++){
        if(str.charAt(i)== '1'){
         j=j+ Math.pow(2,str.length()-1-i);
     }

    }
    return (int) j;
}


--------------------------------------------------------------------------------------

Other Way:


import java.lang.*;
import java.io.*;

public class BinaryToDecimal{
  public static void main(String[] args) throws IOException{
  BufferedReader bf= new BufferedReader(new InputStreamReader(System.in));
  System.out.print("Enter the Binary value: ");
  String str = bf.readLine();
  long num = Long.parseLong(str);
  long rem;
  while(num > 0){
  rem = num % 10;
  num = num / 10;
  if(rem != 0 && rem != 1){
  System.out.println("This is not a binary number.");
  System.out.println("Please try once again.");
  System.exit(0);
  }
  }
  int i= Integer.parseInt(str,2);
  System.out.println("Decimal:="+ i);
  }
}


run:
Enter the Binary value: 1010
Decimal:=10

--------------------------------------------

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Decimal to Hexadecimal Converter in Java


Convert decimal integer to hexadecimal number example






import java.io.*;
import java.lang.*;

public class DecimalToHexadecimal{
  public static void main(String[] args) throws IOException{  
  BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
  System.out.println("Enter the decimal value:");
  String hex = bf.readLine();
  int i = Integer.parseInt(hex);
  String hex1 = Integer.toHexString(i);
  System.out.println("Hexa decimal: " + hex1);
  }
}


run:
Enter the decimal value:
16
Hexa decimal: 10


--------------------------------------------------------
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Convert Decimal to Octal in Java


convert decimal number octal java




import java.io.*;
import java.lang.*;

public class DecimalToOctal {
  public static void main(String[] args) throws IOException{
  BufferedReader buff = new BufferedReader(new InputStreamReader(System.in));
  System.out.println("Enter the decimal number:");
  String deci = buff.readLine();
  int value = Integer.parseInt(deci);
  String str = Integer.toString(value,8);
  System.out.println("octal:=" + str);
  }
}

run:
Enter the decimal number:
16
octal:=20



------------------------------------------------------

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Convert Decimal into Binary in Java


Converting decimal to binary in Java



import java.lang.*;
import java.io.*;
public class DecimalToBinary{
  public static void main(String args[]) throws IOException{
  BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
  System.out.println("Enter the decimal value:");
  String hex = bf.readLine();
  int i = Integer.parseInt(hex);  
  String by = Integer.toBinaryString(i);
  System.out.println("Binary: " + by);
  }
}  


run:
Enter the decimal value:
10
Binary: 1010
BUILD SUCCESSFUL (total time: 9 seconds)

Other Way :


public class NumberConverter {
   public static void main(String[] args) {
       int i = Integer.parseInt(args[0]);
       toBinary(i);
   }

   public static void toBinary(int int1){
       System.out.println(int1 + " in binary is");
       System.out.println(Integer.toBinaryString(int1));
   }
}

-----------------------------------------------------

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Friday, April 26, 2013

C++ Program To Count Upper, Lowercase, Numbers, Characters





#include <iostream>
#include <iomanip>
using namespace std;

int main()
{
 // declare variables
 int numUpperCase = 0;
 int numVowel = 0;
 int numChars = 0;
 char character = ' ';


 cout << "Enter a sentence: ";

 // Get sentence from user utilizing while loop
 while(cin >> character && character != '.')
 {
  // Checks to see if inputted data is UPPERCASE
  if ((character >= 'A')&&(character <= 'Z'))
  {
   ++numUpperCase; // Increments Total number of uppercase by one
  }  
  // Checks to see if inputted data is a vowel
  if ((character == 'a')||(character == 'A')||(character == 'e')||
   (character == 'E')||(character == 'i')||(character == 'I')||
   (character == 'o')||(character == 'O')||(character == 'u')||
   (character == 'U')||(character == 'y')||(character == 'Y'))
  {
   ++numVowel; // Increments Total number of vowels by one
  }
  
   ++numChars;  // Increments Total number of chars by one
 } // end loop

 // display data using setw and setfill
 cout << setfill('.');  // This will fill any excess white space with period within the program
 cout <<left<<setw(36)<<"\n\tTotal number of upper case letters:"<<right<<setw(10)
  <<numUpperCase<<endl;
 cout <<left<<setw(36)<<"\tTotal number of vowels:"<<right<<setw(10)
  <<numVowel<<endl;
 cout <<left<<setw(36)<<"\tTotal number of characters:"<<right<<setw(10)
  <<numChars<<endl;
 system("pause");
 return 0;
}














C++

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  4. Write a C++ program to 1. Initialize Matrices 2. Print Matrices 3. Multiply Matrices 4. Transpose of 2nd Matrix 5. Move Row and Column of 2nd Matrix 6. Quit
  5. Write the C++ program for processing of the students structure
  6. Write a C++ program that gets two strings from input and stores them in variables such as str1 and str2
  7. Write a C++ program that gets one text with the maximum of 256 characters from input and converts it to standard format based on the following rules and prints the final standardized text
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Sunday, April 21, 2013

C++

C#

C#


  1. C# Tutorial 1:Getting Started and Mysql database Connection
  2. C# Tutorial 2:Create Login Form with MySql
  3. C# Tutorial 3: Password Protection using Textbox
  4. C# Tutorial 4: Add pictures and icons in Frame
  5. C# Tutorial 5: How To Open A Second Form
  6. C# Tutorial 6: Insert/Save data to database
  7. C# Tutorial 7: Edit/Update a data from Database with button
  8. C# Tutorial 8: Deleting selected data from database
  9. C# Tutorial 9: How to Use a Combo box
  10. C# Tutorial 10: How to Link Combobox with Database values
  11. C# Tutorial 11:Database values in textbox if select Combobox
  12. C# Tutorial 12: How to Link List Box with Database and show values in textbox if select ListBox
  13. C# Tutorial 13:Show database values in Table or DataGridView
  14. C# Tutorial 14:How to use Chart /Graph in Visual C#
  15. C# Tutorial 15: How to Link Chart /Graph with Database
  16. C# Tutorial 16: Dynamically Display (Running) Current Date Time
  17. C# Tutorial 17: How to use Progress Bar and Button
  18. C# Tutorial 18: How to gracefully exit this application
  19. C# Tutorial 19: Message Box Asking if The User Wants To Exit
  20. C# Tutorial 20: Change column title of datagridview when connecting Mysql
  21. C# Tutorial 21: Display selected row from datagridview to TextBox in C#
  22. C# Tutorial 22: Checkbox , radiobutton and groupbox with Database in C#
  23. C# Tutorial 23: How to use DateTimePicker and save date in Database
  24. C# Tutorial 24: How to use OpenFileDialog and copy file path
  25. C# Tutorial 25: Open File text into Textbox or richTextBox in C#
  26. C# Tutorial 26: Search and highlight text in Textbox or richTextBox in C#
  27. C# Tutorial 27: Create a text file and write in it using C#
  28. C# Tutorial 28: Create Excel (.XLS and .XLSX) file from C# Using excellibrary
  29. C# Tutorial 29:How to Export Data from Database To Excel File By using C#
  30. C# Tutorial 30: How to import excel file to datagridview in c#
  31. C# Tutorial 31: How to open and show a PDF file inside the Form
  32. C# Tutorial 32: How to launch any (.exe) file in any Directory
  33. C# Tutorial 33: Make Application to Beep and How to add a delay in seconds
  34. C# Tutorial 34: How To Play An Audio File
  35. C# Tutorial 35: Random Number Generator within range C#
  36. C# Tutorial 36: How to use and connect Sqlite in a C# projec
  37. C# Tutorial 37: How to add a (Windows Media Player) Video clip to the form 
  38. C# Tutorial 38: MP3 Media Player in C# 
  39. C# Tutorial 39: Insert image in the database Part 1
  40. C# Tutorial 40: Insert image in the database Part 2
  41. C# Tutorial 41: Retrieving images from Database  
  42. C# Tutorial 42: iTextSharp : How to create PDF file in C#
  43. C# Tutorial 43: iTextSharp : How to create Lists with iTextSharp PDF file in C#  
  44. C# Tutorial 44: iTextSharp : Working with images in iTextSharp PDF file using C# 
  45. C# Tutorial 45: iTextSharp : Add table into existing PDF using iTextSharp 
  46. C# Tutorial 46: iTextSharp : How to get data of Datagridview in pdf in C# 
  47. C# Tutorial 47: iTextSharp : Microsoft Chart Controls to PDF with iTextSharp 
  48. C# Tutorial 48: iTextSharp : How to automatically open ITextSharp PDF after creating file
  49.  C# Tutorial 49: Encrypt data from simple string in C# 
  50. C# Tutorial 50: Decrypt Encrypted data again to simple text 
  51. C# Tutorial 51: Reading PDF File Using iTextSharp and show it in Textbox or RichTextbox 
  52. C# Tutorial 52: Converting PDF to Text in C# 
  53. C# Tutorial 53: Generate Globally Unique Identifiers (GUIDs) in C#
  54.  C# Tutorial 54: How to Make a Simple HTML Editor 
  55. C# Tutorial 55: Passing a value from one form to another form in C# 
  56. C# Tutorial 56: Search data in database and Filter in datagridview or table in C# 
  57. C# Tutorial 57: TextBox which accepts only numbers in C# 
  58. C# Tutorial 58:Creating A Simple Web Browser (Back, Forward, Refresh,...)With Progress Bar in C#
  59. C# Tutorial 59:Creating a Windows Forms Control Like button + event while the Program is running  
  60. C# Tutorial 60:How to use a web cam in C# 
  61. C# Tutorial 61:How to capture the screenshot of desktop using C#
  62. C# Tutorial 62:How to Use the NotifyIcon Control with C#  
  63. C# Tutorial 63: How to open a web page with C# application 
  64. C# Tutorial 64: How do I calculate relative time (e.g. calculate someone's age) 
  65. C# Tutorial 65: How to Get IP address using C# 
  66. C# Tutorial 66: How to Save Files Using SaveFileDialog Component in C# 
  67. C# Tutorial 67: How to make a Tabbed Notepad In C# ( ManuStrip, Cut,Copy,Paste,Open,Save) Part-1 
  68. C# Tutorial 68: How to make a Tabbed Notepad In C# ( ManuStrip, Cut,Copy,Paste,Open,Save) Part-2 
  69. C# Tutorial 69:Remove Current selected tabpage from Tabcontrol using C# 
  70. C# Tutorial 70: Add More functionality to Notepad application (Tab Title, Redo, Undo, Select all)
  71. C# Tutorial 71: How to Display sum and average of Row in dataGridview  
  72. C# Tutorial 72: How to use TreeView (Add ,Removes Clear , Delete Checked Items from a TreeView) 
  73. C# Tutorial 73: How to populate TreeView with file system directory structure
  74. C# Tutorial 74: Opening a file by clicking on it in Treeview  
  75. C# Tutorial 75: How to send email using c# 
  76. C# Tutorial 76: Send Attachment / Multiple attachment file in email using C#
  77. C# Tutorial 77: How to Use FontDialog in C# to change Font Size ,Color,Type .....  
  78. C# Tutorial 78: How to make a Chat Program in C# Part-1/4 
  79. C# Tutorial 79: How to make a Chat Program in C# Part-2/4 
  80. C# Tutorial 80: How to make a Chat Program in C# Part-3/4 
  81. C# Tutorial 81: How to make a Chat Program in C# Part-4/4 
  82. C# Tutorial 82: Using Regular Expressions (regex or regexp) in C# 
  83. C# Tutorial 83: How to use Multiple-Document Interface (MDI) in Windows Forms C# 
  84. C# Tutorial 84: How to Create An AutoComplete TextBox In C# 
  85. C# Tutorial 85: Textbox autocomplete with Database Values
  86. How to enable Line numbering in Visual Studio 2010
  87. C# Tutorial 86: Text to Speech Converter Sample in C#   
  88. C# Tutorial 87: How to make a Simple Splash Screen with ProgressBar in C# 
  89. C# Tutorial 88: How to Search Listbox and get all matches using C#
  90. C# Tutorial 89: How to Publish an Application in C# and Make the Installation Setup  
  91. C# Tutorial 90: How to Display Google Maps in C# Windows Form 
  92. C# Tutorial 91: How to get Source Code from a Website with C# 
  93. C# Tutorial 92: How to Download a File from Internet using C# 
  94. C# Tutorial 93: How to list Files and Folders in the selected directory in a listbox 
  95. C# Tutorial 94: How to Convert Images from One Format to Another (ex png to jpg, gif, png, etc.) 
  96. How to Create a CHM or Compiled HTML Help (.CHM) File 
  97. C# Tutorial 95: How to open and use CHM (Compiled HTML Help) help file in C# 
  98. C# Tutorial 96: Determine if internet connection is available using C# 
  99. C# Tutorial 97: How to shutdown the computer from C# 
  100. C# Tutorial 98: How to use ContextMenuStrip (Right mouse click) in C#
  101. C# Tutorial 99: How To Add ToolTips To Controls On A Windows Form in C#  
  102. C# Tutorial 100: How to embed VLC Media Player into C# Windows Forms Application 
  103. C# Tutorial 101: How to Add or Embed YouTube Videos In C# Windows Forms Application 
  104. C# Tutorial 102: How to make a Live Currency Converter Using C# 
  105. Please Support ProgrammingKnowledge .... 
  106. How to Make a Calculator in C# Windows Form Application Part-1 
  107. How to Make a Calculator in C# Windows Form Application Part-2 

























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