Java write Pro

Write double to a file using Data Output Stream

import java.io.DataOutputStream;

import java.io.FileOutputStream;

import java.io.IOException;

public class WriteDoubleToFile

{

 public static void main(String[] args)

{

 String strFilePath = "C://FileIO//WriteDouble.txt";

 try

{

FileOutputStream fos = new FileOutputStream(strFilePath);

DataOutputStream dos = new DataOutputStream(fos);

      

double d = 165;

dos.writeDouble(d);

dos.close();

}

catch (IOException e)

{

System.out.println("IOException : " + e);

    }

  }

}

Write float to a file using Data Output Stream

import java.io.DataOutputStream;

import java.io.FileOutputStream;

import java.io.IOException;

public class WriteFloatToFile

{

public static void main(String[] args)

{

String strFilePath = "C://FileIO//WriteFloat.txt";

try

{

FileOutputStream fos = new FileOutputStream(strFilePath);

DataOutputStream dos = new DataOutputStream(fos);

float f = 5.314f;

dos.writeFloat(f);

dos.close();

}

catch (IOException e)

{

System.out.println("IOException : " + e);

     }

   }

}

Write int to a file using Data Output Stream

import java.io.DataOutputStream;

import java.io.FileOutputStream;

import java.io.IOException;

public class WriteIntToFile

{

public static void main(String[] args)

{

String strFilePath = "C://FileIO//WriteInt.txt";

try

{

FileOutputStream fos = new FileOutputStream(strFilePath);

DataOutputStream dos = new DataOutputStream(fos);

int i= 100;

dos.writeInt(i);

dos.close();

}

catch (IOException e)

{

System.out.println("IOException : " + e);

    }

  }

}

Write long to a file using Data Output Stream

import java.io.DataOutputStream;

import java.io.FileOutputStream;

import java.io.IOException;

public class WriteLongToFile

{

public static void main(String[] args)

{

String strFilePath = "C://FileIO//WriteLong.txt";

try

{

FileOutputStream fos = new FileOutputStream(strFilePath);

DataOutputStream dos = new DataOutputStream(fos);

     

long l = 65;

dos.writeLong(l);

dos.close();

}

catch (IOException e)

{

System.out.println("IOException : " + e);

    }

  }

}

Write short to a file using Data Output Stream

import java.io.DataOutputStream;

import java.io.FileOutputStream;

import java.io.IOException;

public class WriteShortToFile

{

public static void main(String[] args)

 {

String strFilePath = "C://FileIO//WriteShort.txt";

try

{

FileOutputStream fos = new FileOutputStream(strFilePath);

DataOutputStream dos = new DataOutputStream(fos);

short s = 1;

dos.writeShort(s);

dos.close();

}

catch (IOException e)

{

System.out.println("IOException : " + e);

     }

   }

}