ObjectStreamClass.lookupAny(Class) in Java

lookupAny(Class): This method is available in the java.io.ObjectStreamClass class of Java.

Syntax:

ObjectStreamClass java.io.ObjectStreamClass.lookupAny(Class<?> cl)

This method takes one argument. This method returns the descriptor for any class, regardless of whether it implements Serializable.

Parameters: One parameter is required for this method.

cl: class for which to get the descriptor.

Returns: the class descriptor for the specified class.

Exceptions: NA

Approach

Java

import java.io.ObjectStreamClass;

public class ObjectStreamClasslookup {
    public static void main(String[] args) {

        ObjectStreamClass objectStreamClass = 
                 ObjectStreamClass.lookup(String.class);

        System.out.println(objectStreamClass.forClass());
    }
}

Output:

class java.lang.String

Some more methods of ObjectStreamClass

forClass(): This method returns the class to the local VM that this version is mapped to.

getField(String): This method gets the field of this class by name.

getFields(): This method returns an array of the fields of this serializable class.

getName(): This method returns the name of the class described by this descriptor.

getSerialVersionUID(): This method returns the serialVersionUID for this class.

lookup(Class): This method creates an ObjectStreamClass instance if one does not exist yet for the class.

toString(): This method returns a string describing this ObjectStreamClass.