gistfile1.java

import java.io.Serializable;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;

public class PermGenTest {

    public static void main(String[] args) {
        //noinspection InfiniteLoopStatement
        for (; ; ) {
            ClassLoader classLoader = new ClassLoader() {};
            Proxy.newProxyInstance(classLoader, new Class<?>[] { Serializable.class }, new InvocationHandler() {
                @Override
                public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
                    return null;
                }
            });
        }
    }
}