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/* Read boolean from file using DataInputStream This Java example shows how to read a Java boolean primitive value from file using readBoolean method of Java DataInputStream class. */ import java.io.DataInputStream; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; public class ReadBooleanFromFile { public static void main(String[] args) { String strFilePath = "C://FileIO//readBoolean.txt"; try { //create FileInputStream object FileInputStream fin = new FileInputStream(strFilePath); /* * To create DataInputStream object, use * DataInputStream(InputStream in) constructor. */ DataInputStream din = new DataInputStream(fin); /* * To read a Java boolean primitive from file, use * byte readBoolean() method of Java DataInputStream class. * * This method reads one byte from file and returns true if byte is nonzero, * false if the byte is zero. */ boolean b = din.readBoolean(); System.out.println("boolean : " + b); /* * To close DataInputStream, use * void close() method. */ din.close(); } catch(FileNotFoundException fe) { System.out.println("FileNotFoundException : " + fe); } catch(IOException ioe) { System.out.println("IOException : " + ioe); } } } |
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