09 2020 档案
摘要：@FunctionalInterfaceinterface NoReturnMultiParam{ void method(int a,int b);}/**无参无返回值*/@FunctionalInterface interface NoReturnNoParam { void method();
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摘要：参考:https://www.cnblogs.com/yad123/p/12593631.html git push -u origin master 出现问题: fatal: unable to access : Failed to connect to github.com port 443:
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摘要：try { //File file=new File("D:\\cs\\ceshi.txt");// File file=new File("D:"+File.separator+"cs"+File.separator+"ceshi.txt");// System.out.println("file
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摘要：测试代码:Test test=new Test(); Class c1=test.getClass(); //获取所有构造方法 //Constructor[] declaredConstructors = c1.getDeclaredConstructors(); //获取所有public构造方法
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