We will get the metadata of below class named Guru99Base. Lets take the example of calling the two-parameter version. Public Class getInterfaces() : Returns an array of interfaces implemented by the specified class Using reflection to call methods that take primitive parameters can be slightly confusing at first.public Class getSuperclass(): Returns the super class reference.Public String getName (): Returns the name of the class.Modifier: This class is used to gather information about a particular access modifier.Constructor: This class is used to gather declarative information such as access modifier, name and parameter types of a constructor.Method: This class is used to gather declarative information such as access modifier, return type, name, parameter types and exception type of a method.Field: This class is used to gather declarative information such as datatype, access modifier, name and value of a variable.
Java reflection get method how to#
Example 4: How to get Metadata of Constructorsįollowing is a list of various Java classes in to implement reflection.Example 3: How to get Metadata of Method.Example 2: How to get Metadata of Variable parameterTypes) > Returns a Method object that corresponds to the specified public member method of the class or interface.Example 1: How to get Metadata of Class.How to get complete information about a class.The package provides many classes to implement reflection java.Methods of the class is used to gather the complete metadata of a particular class. One advantage of reflection API in Java is, it can manipulate private members of the class too. Reflection API in Java is used to manipulate class and its members which include fields, methods, constructor, etc. Java Reflection is the process of analyzing and modifying all the capabilities of a class at runtime.
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