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

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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++

  1. Write a C++ program to Make Simple calculator
  2. Write a C++ program to arrange 10 numbers in ascending order
  3. Write a C++ program to calculates the following equation for entered numbers (n, x). 1+ (nx/1!) - (n(n-1)x^2/2!)
  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
  8. C++ Mini-Project: Human Resource Management Program
  9. Write a C++ program to Solve Quadratic equation
  10. C++ program for Calculation of the surface and the volume of a cone
  11. C++ Program to show Fibonacci Series
  12. C++ Program for Decimal to Hexadecimal Conversion
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  14. C++ PROGRAM TO CHECK WHETHER A NUMBER IS NOT A PERFECT NUMBER OR NOT
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  23. C++ counting the number of lines in a text file
  24. How do you implement the factorial function in C++
  25. C++ program to find HCF n LCM of two numbers
  26. The most elegant way to split a string in C++
  27. C++ Program for Printing 1 to 1000 without loop
  28. PASS BY REFERENCE C++ EXAMPLE
  29. C++ PROGRAM TO FIND WHETHER A NUMBER IS EVEN OR ODD
  30. C++ code to print all odd and even numbers in given range
  31. C++ Program to Check Palindrome Number
  32. C++ code to get sum of all odd numbers in given range
  33. C++ program to find ASCII Code for Characters and numbers
  34. Compiling and Integrating Crypto++ into the Microsoft Visual C++ Environment + Running Sample program
  35. Write a c++ program that calculates the average of three numbers
  36. C++ program compute hourly pay taking overtime into account
  37. C++ program to print 5 rows of 10 stars
  38. Write a C++ program that can print a temperature conversion
  39. Write a C++ program to construct a pyramid of stars
  40. C++ PROGRAM FOR RANDOM NUMBER GENERATOR
  41. Program for climbing worm program in c++
  42. C++ Program to display current date and time
  43. A C++ program to print the half pyramid
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C++ Conversion
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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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Visual C++ Windows Forms Application Tutorial




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