Java Class getDeclaredFields() Method21 Mar 2025 | 2 min read The getDeclaredFields() method of java Class class returns an array of field objects representing all the fields defined in this class object. If no filed is declared, then it returns an array of length 0. SyntaxParameterNA ReturnsAn array of field object. ThrowsSecurity Exception Example 1Output: Field (1)long ClassgetDeclaredFieldsExample1.l Field (2)int ClassgetDeclaredFieldsExample1.i Field (3)java.lang.String ClassgetDeclaredFieldsExample1.p Example 2Output: Field (1)long ClassgetDeclaredFieldsExample2.l Field (2)int ClassgetDeclaredFieldsExample2.i Field (3)java.lang.String ClassgetDeclaredFieldsExample2.p Field (4)float ClassgetDeclaredFieldsExample2.f Field (5)boolean ClassgetDeclaredFieldsExample2.b Next TopicJava Class |
Java Class Method The method of java Class class is used to get the signers of this class. Syntax public Object[] Parameter NA Returns The signers. Throws SecurityException. Example 1 //import statements. import java.lang.*; public class ClassgetSignersExample1 { public static void main(String[] args) { try { ...
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Java Class Method The method of java Class class checks if the specified Class object represents a primitive type. Syntax public boolean Parameter NA Returns true if and only if this class represents a primitive type. Throws NA Example 1 public class ClassisPrimitiveExample1 { public static void main(String... args) { ...
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Java Class Method The method of Java Class class returns the Class object associated with the class or interface with the given name in the parameter as String. Syntax This method is overloaded in the following ways. public static Class<?> forName(Module module, String name) public static Class<?>...
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Java Class Method The method of java Class returns an array containing field objects representing all the accessible public fields of the class or interface represented by this Class object otherwise if no field is present then it returns an array of length 0. Syntax public...
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Java Class Method The method of java Class class returns the Type representing the direct superclass of the class, interface, primitive type or void represented by this Class. Syntax public Type getGenericSuperclass() Parameter Does not take the parameter. Returns the direct superclass of the class represented by this object. Throws GenericSignatureFormatError TypeNotPresentException...
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Java Class Method The method of java Class class returns true if this class is a synthetic class; returns false otherwise. Syntax public boolean Parameter No parameter is passed. Returns true if and only if this class is a synthetic class as defined by the Java Language Specification. Throws NA Example 1 import...
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Java Class Method The getGenericSuperClass() method of java Class class returns a method object representing the specified public member method of the class or interface represented by this Class object. The name parameter is passed as a string. Syntax public Method getMethod(String name, Class<?>... parameterTypes) throws NoSuchMethodException,...
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Java Class Method The method of java Class class checks if the specified object can be assigned to object represented by that class, i.e., if both the objects are an instance of the same class or not. Syntax public boolean isInstance(Object obj) Parameter obj - the object to...
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Java Class Method The method of java Class class gets the annotation by type that is associated with this element. If no annotation is related to this element, it returns an array of length 0. Syntax public <A extends Annotation> A[] getAnnotationsByType(Class<A> annotationClass) Parameter annotationClass - the Class...
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Java Class Method The method of java Class class returns the ProtectionDomain of this class. This method internally calls the checkPermission() method of the Security Manager (installed with this class) is called with a RuntimePermission to check if it is okay to get the...
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