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import java.io.*; public class Main { public static void main(String[] args) throws IOException { FileOutputStream fos=new FileOutputStream("abc.txt"); fos.write(66); } }
import java.io.*; public class Main { public static void main(String[] args) throws IOException { FileOutputStream fos=new FileOutputStream("abc.txt"); String s="sateesh"; int x,n; n=s.length(); for(x=0;x<n;x++) { fos.write((int)s.charAt(x)); } } }