In the example below, theCarclass (subclass) inherits the attributes and methods from theVehicleclass (superclass): ExampleGet your own Java Server classVehicle{protectedStringbrand="Ford";// Vehicle attributepublicvoidhonk(){// Vehicle methodSystem.out.println("Tuut, tuut!");}}classCarextendsVe...
class java.util.LinkedHashSetclass java.util.LinkedHashSet The method safeAsSubClass in following example is ClassCastException safe: package com.logicbig.example.clazz;public class AsSubclassExample2 { public static void main(String... args) { Class<? extends Shape> r = safeAsSubClass(Circle...
// Java program to demonstrate the example // of Class asSubclass (Class class_name) method of Class class public class ParentClass { public static void main(String[] args) throws Exception { // Creating ParentClass and ChildClass instance ParentClass pc = new ParentClass(); ParentClass cc...
Class.asSubclass()方法的具体详情如下:包路径:java.lang.Class类名称:Class方法名:asSubclass Class.asSubclass介绍 [英]Casts this Class to represent a subclass of the given class. If successful, this Class is returned; otherwise a ClassCastException is thrown.[中]强制转换该类以表示给定类的子类。
Modifier and Type Method Description Set<AccessFlag> accessFlags() Returns an unmodifiable set of the access flags for this class, possibly empty. Class<?> arrayType() Returns a Class for an array type whose component type is described by this Class. <U> Class<? extends U> asSubclass(Clas...
This ensures that the output reflects the correct shape and its corresponding area based on the specific implementation provided in each class Example 1: Concrete Subclass Open Compiler // With abstract class abstract class Shape { public abstract void printName(); public abstract float area(); ...
The network class loader subclass must define the methodsfindClassandloadClassDatato load a class from the network. Once it has downloaded the bytes that make up the class, it should use the methoddefineClassto create a class instance. A sample implementation is: ...
If your view subclass is displaying its own Drawable objects, it should override this function and return true for any Drawable it is displaying. (Inherited from View) Wait() Causes the current thread to wait until it is awakened, typically by being notified or interrupted. (Inherited...
//using method implemented in abstract class - inheritance employee.changeName("Pankaj Kumar"); System.out.println(employee.toString()); } } Note that subclass Employee inherits the properties and methods of superclass Person usinginheritance in java. Also notice the use of Overrideannotationin Empl...
Another benefit of using inheritance is that it lets us treat a subclass as if it was a superclass. For example, let's say a program has created multiple instances of the Man and Woman objects. The program might need to call the sleep behavior for all these objects. Because the sleep b...