开始创作
package cn.ps;
import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLClassLoader;
public class Main {
public static void main(String[] args) throws Exception {
URLClassLoader urlClassLoader = new URLClassLoader(new URL[] {
new URL("file:///D:/coutom.jar")
});
Class<?> loadClass = urlClassLoader.loadClass("cn.ps.Coutom");
Object object = loadClass.newInstance();
Method method = object.getClass().getMethod("coutom");
method.invoke(object);
}
}
输出结果

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