arthas命令redefine实现Java热更新

package com.fun;

import com.fun.frame.SourceCode;
import org.slf4j.Logger;

import java.util.ArrayList;
import java.util.List;

public class Fun extends SourceCode {

    int[] ss = new int[1024];

    public static Logger logger = getLogger(Fun.class);

    public static void main(String[] args) {
        List<Fun> funs = new ArrayList<>();
        while (true) {
            Fun fun = new Fun();
            funs.add(fun);
            sleep(3000);
            test();
            output(funs.size());
        }

    }

    public static void test() {
        logger.info("成功!!!");
    }


}