Class getDeclaredClasses() method in Java with Examples Last Updated : 12 Jul, 2025 Summarize Comments Improve Suggest changes Share Like Article Like Report The getDeclaredClasses() method of java.lang.Class class is used to get the classes of this class, which are the classes that are private, public, protected or default and its members, but not the inherited ones. The method returns the classes of this class in the form of array of Class objects. Syntax: public Class[] getDeclaredClasses() throws SecurityException Parameter: This method does not accept any parameter.Return Value: This method returns the classes of this class in the form of an array of Class objects. Exception This method throws SecurityException if a security manager is present and the security conditions are not met.Below programs demonstrate the getDeclaredClasses() method.Example 1: Java // Java program to demonstrate // getDeclaredClasses() method import java.util.*; public class Test { public static void main(String[] args) throws ClassNotFoundException { // returns the Class object for this class Class myClass = Class.forName("Test"); System.out.println("Class represented by myClass: " + myClass.toString()); // Get the classes of myClass // using getDeclaredClasses() method System.out.println( "DeclaredClasses of myClass: " + Arrays.toString( myClass.getDeclaredClasses())); } } Output: Class represented by myClass: class Test DeclaredClasses of myClass: [] Example 2: Java // Java program to demonstrate // getDeclaredClasses() method import java.util.*; class Main { private class Arr { }; public static void main(String[] args) throws ClassNotFoundException { // returns the Class object for this class Class myClass = Class.forName("Main"); System.out.println("Class represented by myClass: " + myClass.toString()); // Get the classes of myClass // using getDeclaredClasses() method System.out.println( "DeclaredClasses of myClass: " + Arrays.toString( myClass.getDeclaredClasses())); } } Output: Class represented by myClass: class Main DeclaredClasses of myClass: [class Main$Arr] Reference: https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html#getDeclaredClasses-- Comment More infoAdvertise with us Next Article Class getDeclaredFields() method in Java with Examples S srinam Follow Improve Article Tags : Java Java-lang package Java-Functions Java.lang.Class Practice Tags : Java Similar Reads Class getDeclaringClass() method in Java with Examples The getDeclaringClass() method of java.lang.Class class is used to get the declaring class of this class. The method returns the declaring class of this class, if this class or interface is a member of another class. Else this method returns null. Syntax: public Constructor getDeclaringClass() Param 2 min read Class getClasses() method in Java with Examples The getClasses() method of java.lang.Class class is used to get the classes of this class, which are the class and interfaces that are public and its members. The method returns the classes of this class in the form of array of Class objects. Syntax: public Class[] getClasses() Parameter: This metho 2 min read Class getDeclaredMethods() method in Java with Examples The getDeclaredMethods() method of java.lang.Class class is used to get the methods of this class, which are the methods that are private, public, protected or default and its members or the members of its member classes and interfaces, but not the inherited methods. The method returns the methods o 2 min read Class getDeclaredFields() method in Java with Examples The getDeclaredFields() method of java.lang.Class class is used to get the fields of this class, which are the fields that are private, public, protected or default and its members, but not the inherited ones. The method returns the fields of this class in the form of array of Field objects. Syntax: 2 min read Class getDeclaredMethod() method in Java with Examples The getDeclaredMethod() method of java.lang.Class class is used to get the specified method of this class with the specified parameter type. The method returns the specified method of this class in the form of Method object. Syntax: public Method getDeclaredMethod(String methodName, Class[] paramete 2 min read Class getDeclaredField() method in Java with Examples The getDeclaredField() method of java.lang.Class class is used to get the specified field of this class. The method returns the specified field of this class in the form of Field object. Syntax: public Field getDeclaredField(String fieldName) throws NoSuchMethodException, SecurityException Parameter 2 min read Like