Storing a string in an integer

Main.java

package me.duncte123.fuck;

import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import sun.misc.Unsafe;


public class Main {
  private static Integer integer;
  
  public static void main(String[] args) throws Throwable {
    Constructor<Unsafe> c = Unsafe.class.getDeclaredConstructor();
    c.setAccessible(true);
    Unsafe u = c.newInstance();
    Field f = Main.class.getDeclaredField("integer");
    Object b = u.staticFieldBase(f);
    long o = u.staticFieldOffset(f);
    u.putObject(b, o, "this is a string");
    String s = (String)(Object)integer;
    System.out.println(s);
  }
}