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import java.io.EOFException; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.io.OutputStream; import java.io.Serializable; import java.util.ArrayList; import java.util.Scanner; class Record implements Serializable { int roll; String name; public void setData() { Scanner scr=new Scanner(System.in); System.out.println("Enter Roll Number: "); roll=scr.nextInt(); System.out.println("Enter Name: "); name=scr.next(); writeData(); } public … 
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