使用arthas命令redefine实现Java热更新(推荐)

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 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!!!");
  }
}