How do you serialize an object in Java

In Java, serialization is a process of converting an object into a byte stream, which can then be easily stored in a file or sent over a network. The Java platform provides built-in support for serialization, allowing you to convert an object into a sequence of bytes representing its state.

To make a Java object serializable, the class of the object must implement the java.io.Serializable interface. This marks the class as capable of serialization. Here is a simple example:


        import java.io.*; 

        class Employee implements Serializable {
            private String name;
            private int id;

            public Employee(String name, int id) {
                this.name = name;
                this.id = id;
            }
        }

        public class Main {
            public static void main(String[] args) {
                Employee emp = new Employee("John Doe", 123);

                try {
                    // Serialization
                    FileOutputStream fileOut = new FileOutputStream("employee.ser");
                    ObjectOutputStream out = new ObjectOutputStream(fileOut);
                    out.writeObject(emp);
                    out.close();
                    fileOut.close();
                    System.out.println("Serialized data is saved in employee.ser");
                } catch (IOException i) {
                    i.printStackTrace();
                }
            }
        }

How do you serialize an object in Java

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How do you serialize an object in Java

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