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可能重复:
is there any other way of creating an object without using “new” keyword in java创建对象的
多少种方法都没有在Java中创建一个对象?
可能重复:
is there any other way of creating an object without using “new” keyword in java创建对象的
多少种方法都没有在Java中创建一个对象?
//Using reflection
Class classObj Class.forName("Foo");
Foo obj1 (Foo)classObj.newInstance();
//new operator
Foo obj2 new Foo();
//cloning
Foo obj3 (TestObjectCreation)obj1.clone();
//deserialization
ByteArrayOutputStream baos new ByteArrayOutputStream();
ObjectOutputStream oos new ObjectOutputStream(baos);
oos.writeObject(obj1);
ByteArrayInputStream bais new ByteArrayInputStream(baos.toByteArray());
ObjectInputStream ois new ObjectInputStream(bais);
Foo obj4 (Foo)ois.readObject();
obj4.method1();
为什么? ................... – 2010-10-18 11:00:41
请参阅http://stackoverflow.com/questions/2103089/is-there-any-other-way-of-creating-an-object -without-using-new-keyword-in-java/2103146#2103146 – stacker 2010-10-18 11:01:30
你想做什么? – smola 2010-10-18 11:03:51