Java Class getProtectionDomain() Method21 Mar 2025 | 1 min read The getProtectionDomain() 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 protection domain. SyntaxParameterNA ReturnsProtectionDomain ThrowsSecurityException. Example 1Output: Class = ClassgetProtectionDomainExample1 ProtectionDomain (file:/C:/Users/Suman/Documents/NetBeansProjects/calendar/build/classes/ <no signer certificates>) sun.misc.Launcher$AppClassLoader@2a139a55 <no principals> java.security.Permissions@4e25154f ( ("java.io.FilePermission" "\C:\Users\Suman\Documents\NetBeansProjects\calendar\build\classes\-" "read") ("java.lang.RuntimePermission" "exitVM") ) Example 2Output: ProtectionDomain (file:/C:/Users/Suman/Documents/NetBeansProjects/calendar/build/classes/ <no signer certificates>) sun.misc.Launcher$AppClassLoader@2a139a55 <no principals> java.security.Permissions@4e25154f ( ("java.io.FilePermission" "\C:\Users\Suman\Documents\NetBeansProjects\calendar\build\classes\-" "read") ("java.lang.RuntimePermission" "exitVM") ) Next TopicJava Class |
Java Class Method The method of java Class casts this Class object to represent a subclass of the class represented by the specified class object. It throws a ClassCastException if the cast is not valid otherwise it returns a reference to this(current) class object. Syntax public...
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Java Class Method The method of java Class class returns the simple name of the underlying class as given in the source code. In the case of an anonymous class, it returns an empty string. Syntax public String Parameter NA Returns The simple name of the underlying class. Throws NA Example 1 //import...
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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 a Constructor object that reflects the public constructor of the class. Syntax public Constructor<T> getConstructor(Class<?>... parameterTypes) throws NoSuchMethodException, SecurityException Parameter parameterTypes - the parameter array. Returns Constructor object. Throws NoSuchMethodException , SecurityException Example 1 //import statements import java.lang.reflect.*; public class ClassgetConstructorExample1 { public...
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Java Class Method The method of java Class class is used to get the name of the entity, and that entity can be class, interface, array, enum, method, etc. of the class object. Element Type Encoding boolean Z char C class or interface Lclassname; double D float F int I long J short S Syntax public String Parameter NA Returns Entity name as the string. Throws Does not throw...
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Java Class Method The method of java Class class returns this element's annotation for the specified type if such an annotation is directly present, otherwise null. It ignores inherited annotations. Syntax public <A extends Annotation> A[] getDeclaredAnnotationsByType(Class<A> annotationClass) Parameter annotationClass - the Class object corresponding to the annotation...
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Java Class Method The method of java Class class returns a method object representing the specified method declared inside the class or the interface of this class. Syntax public Method getDeclaredMethod(String name, Class<?>... parameterTypes) throws NoSuchMethodException, SecurityException Parameter name - the name of the method parameterTypes -...
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Java Class Method The method of java Class class determines if this Class object represents an array class. Syntax public boolean Parameter NA Returns true if this object represents an array class. Throws NA Example 1 import java.lang.*; public class ClassisArrayExample1 { public static void main(String[] args) { ...
1 min read
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 returns annotations that are present on this element. If there are no annotations present on this element, then it returns an array of length 0. The caller of this method can modify the returned array. Syntax public...
2 min read
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