eclipse中如何去除警告:Class is a raw type. References to generic type Class should be parameterized... |
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转自：https://blog.csdn.net/zwr_1022/article/details/78583872 解决前的源代码： public class test {public static void main(String args[]) {//入口 try { //假设在同一个包中建的一个javaBean: person Class c = Class.forName("person");//警告出现在这里 try {person factory = (person) c.newInstance(); factory.setName("asdf"); System.out.println(factory.getName()); } catch (InstantiationException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IllegalAccessException e) { // TODO Auto-generated catch block e.printStackTrace(); } } catch (ClassNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); }}} ------------------------------ 解决方法1：增加编译注解@SuppressWarnings("unchecked")public class test {@SuppressWarnings("unchecked")//增加在这里public static void main(String args[]) { try { Class c = Class.forName("person");//警告出现在这里 try { person factory = (person) c.newInstance(); factory.setName("asdf");...以下省略 ------------------------------ 解决方法2：使用泛型通配符public class test {public static void main(String args[]) {//入口 try { Class c = Class.forName("person");//这里使用泛型通配符 try { person factory = (person) c.newInstance(); factory.setName("asdf"); System.out.println(factory.getName());...以下省略 |
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