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  1. import java.io.File;
  2. import java.io.FileInputStream;
  3. import java.io.FileNotFoundException;
  4. import java.io.FileOutputStream;
  5. import java.io.IOException;
  6. import java.io.ObjectInputStream;
  7. import java.io.ObjectOutputStream;
  8. import java.io.Serializable;
  9. import java.util.ArrayList;
  10.  
  11.  
  12.  
  13. public class Student implements Serializable
  14. {
  15.  
  16. 	private String name;
  17.  
  18. 	public void setName(String name)
  19. 	{
  20. 		this.name=name;
  21. 	}
  22. 	public String getName()
  23. 	{
  24. 		return name;
  25. 	}
  26. 	public String toString()
  27. 	{
  28.  
  29. 		return name;
  30. 	}
  31.  
  32.  
  33. 	public static void main(String [] args) throws IOException, ClassNotFoundException
  34. 	{
  35.  
  36. 		ArrayList studentList=new ArrayList();
  37. 		Student obj1=new Student();
  38. 		Student obj2=new Student();
  39. 		obj1.setName("Aman");
  40. 		obj2.setName("Arora");
  41. 		FileOutputStream fs=new FileOutputStream(new File("aman"));
  42. 		ObjectOutputStream o=new ObjectOutputStream(fs);
  43.  
  44. 		studentList.add(obj1);
  45. 		studentList.add(obj2);
  46. 		o.writeInt(p.size());// size of arraylist.
  47. 		o.writeObject(obj1);
  48. 		o.writeObject(obj2);
  49. 		studentList.removeAll(studentList);// removed all the students from ArrayList, so that we can fill it with objects read from file
  50. 		FileInputStream fi=new FileInputStream("aman");
  51. 		ObjectInputStream ois=new ObjectInputStream(fi);
  52. 		int size=ois.readInt();
  53. 		System.out.println(size);
  54. 		for(int i=0;i<size;i++)
  55. 		{
  56. 			Student obj=(Student)ois.readObject();
  57. 			System.out.println(obj.getName());
  58. 			studentList.add(obj);// read Student objects from file and added to ArrayList.
  59. 		}
  60. 		System.out.println(studentList);
  61.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
Main.java:60: error: reached end of file while parsing
		System.out.println(studentList);
		                                ^
1 error
stdout
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Standard output is empty
https://ideone.com/sG7zeP
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
secret

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