📄 testserializable.java
字号:
/* * This class tests that * - we do not report java.io.Serializable for arrays * - we report the same array modifiers as Sun * - we implement isAssignableFrom properly for classes and arrays */public class TestSerializable{ class help implements java.io.Serializable { } public static void main(String av[]) { Class c = TestSerializable[].class; // in JDK 1.1, this outputs 0, in JDK 1.2 and in Kaffe, this outputs 2 System.out.println(c.getInterfaces().length); System.out.println(c.getModifiers()); Class s = java.io.Serializable.class; System.out.println(s.isAssignableFrom(help.class)); System.out.println(s.isAssignableFrom(help[].class)); System.out.println(s.isAssignableFrom(TestSerializable.class)); System.out.println(s.isAssignableFrom(TestSerializable[].class)); System.out.println(s.isAssignableFrom(boolean.class)); System.out.println(s.isAssignableFrom((new boolean[0]).getClass())); }}/* Expected Output:21041truetruefalsetruefalsetrue*/
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -