Class getDeclaredFields() method in Java with Examples Last Updated : 12 Jul, 2025 Summarize Comments Improve Suggest changes Share Like Article Like Report 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: public Field[] getDeclaredFields() throws SecurityException Parameter: This method does not accept any parameter.Return Value: This method returns the fields of this class in the form of array of Field objects. Exception This method throws SecurityException if a security manager is present and the security conditions are not met.Below programs demonstrate the getDeclaredFields() method.Example 1: Java // Java program to demonstrate getDeclaredFields() 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 fields of myClass // using getDeclaredFields() method System.out.println( "DeclaredFields of myClass: " + Arrays.toString( myClass.getDeclaredFields())); } } Output: Class represented by myClass: class Test DeclaredFields of myClass: [] Example 2: Java // Java program to demonstrate getDeclaredFields() method import java.util.*; class Main { public Object obj; Main() { class Arr { }; obj = new 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 fields of myClass // using getDeclaredFields() method System.out.println( "DeclaredFields of myClass: " + Arrays.toString( myClass.getDeclaredFields())); } } Output: Class represented by myClass: class Main DeclaredFields of myClass: [public java.lang.Object Main.obj] Reference: https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html#getDeclaredFields-- Comment More infoAdvertise with us Next Article Class getDeclaredField() 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 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 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 getFields() method in Java with Examples The getFields() method of java.lang.Class class is used to get the fields of this class, which are the fields that are public and its members. The method returns the fields of this class in the form of array of Field objects. Syntax: public Field[] getFields() Parameter: This method does not accept 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 getField() method in Java with Examples The getField() method of java.lang.Class class is used to get the specified field of this class, which is the field that is public and its members. The method returns the specified field of this class in the form of Field objects. Syntax: public Field getField(String fieldName) throws NoSuchFieldExc 2 min read Class getDeclaredClasses() method in Java with Examples 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. Syn 2 min read Like