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import java.io.*; public class TestFactory{ public static void main(String[] args){ Animal a = Factory.createAnimal(); } } abstract class Animal{} cla 阅读全文
posted @ 2016-09-12 14:22
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public class TestSingleton{ public static void main(String[] args){ MyClass mc = MyClass.newInstance(); } } class MyClass { private static final MyCla 阅读全文
posted @ 2016-09-12 11:16
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