Problem - How you can write primitive data types into a file? Solution : java.io.FileOutputStream is an output stream for writing data to a file. java.io.DataOutputStream converts primitive data into byte stream.Program :Step 1 - Coding Create a text file c:/sunilos/WritePrimitiveData.java and copy below contents.import java.io.DataOutputStream; import java.io.FileOutputStream; /** * A program to write primitive data types. */ public class WritePrimitiveData { public static void main(String[] args) throws Exception{ FileOutputStream file = new FileOutputStream("c:/sunilos/sunilos.dat"); DataOutputStream out = new DataOutputStream(file); out.writeInt(1); out.writeBoolean(true); out.writeChar('A'); out.writeDouble(1.2); out.close(); System.out.println("Primitive Data successfully written"); } } Step 2 - Deployment
Step 3 - Testing
OutputPrimitive Data successfully written<<Previous | Next>> |