Java Class getField() Method21 Mar 2025 | 1 min read The getField() method of java Class class returns a field object which represents the public member field of the class or interface represented by this Class object. A string specifying the simple name of the desired field is passed as the parameter. SyntaxParametername - the field name ReturnsField object. ThrowsNoSuchFieldException , NullPointerException , SecurityException Example 1Output: Field got = field found: public java.lang.String ClassgetFieldExample1.str Example 2Output: public int ClassgetFieldExample2.num int Next TopicJava Class |
Java Class Method The method of java Class class returns this element's annotation for the specified type if such an annotation is present, otherwise returns the null. Syntax public <A extends Annotation> A getAnnotation(Class<A> annotationClass) Parameter A - the type of the annotation to query for and return...
1 min read
Java Class Method The method of java Class class returns annotations that are directly present on this element and ignore inherited annotations. If no annotation is set, then it returns 0. Syntax public Annotation[] Parameter NA Returns All the annotations present on this element. Throws NA Example 1 //import statements import java.lang.annotation.Retention; ...
5 min read
Java Class Method The getDeclaredConstructoe() method of java Class class returns a constructor object representing all the constructors present in the class. Syntax public Constructor<T> getDeclaredConstructor(Class<?>... parameterTypes) throws NoSuchMethodException, SecurityException Parameter parameterTypes - the parameter array Returns Constructor object. Throws NoSuchMethodException , SecurityException Example 1 import java.lang.reflect.Constructor; public class ClassgetDeclaredConstructorExample1 { ...
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Java Class Method The method of java Class class returns the class loader for the class which called this method. If this class is loaded by the bootstrap class loader, then it will return null. Syntax public ClassLoader Parameter No parameter is passed. Returns Return the class loader. Throws SecurityException 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 returns the assertion status that would be assigned to this (current class object) class, if it is to be initialized at the time method is invoked. If the assertion status is already set, the...
2 min read
Java Class Method The method of java Class class returns true if this Class object represents an annotation type. Here, we must notice that if this method returns true, isInterface() would also return true, as all annotation types are also interfaces. Syntax public boolean Parameter NA Returns true, if...
1 min read
Java Class Method The method of java Class class returns an array of constructor objects representing all the constructors defined in this class object. If no constructor is declared, then it returns an array of length 0. Syntax public Constructor<?>[] ]throws SecurityException Parameter NA Returns An array of constructor object. Throws SecurityException Example...
2 min read
Java Class Method The getField() method of java Class class returns the Types as an array of the type Type representing the interfaces directly implemented by the class or interface. Syntax public Type[] Parameter NA Returns An array. Throws GenericSignatureFormatError, TypeNotPresentException MalformedParameterizedTypeException Example 1 //import statements import java.lang.reflect.*; public class ClassgetGenericInterfacesExample1 { ...
3 min read
Java Class Method The 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. Syntax public Field[] throws SecurityException Parameter NA Returns An array of field object. Throws Security...
3 min read
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