How to get all String objects from current VM

Main.java

package debug;

import com.sun.jdi.Bootstrap;
import com.sun.jdi.ObjectReference;
import com.sun.jdi.ReferenceType;
import com.sun.jdi.VirtualMachineManager;
import com.sun.jdi.connect.AttachingConnector;
import com.sun.jdi.connect.Connector.Argument;
import com.sun.jdi.connect.IllegalConnectorArgumentsException;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import javax.management.InstanceNotFoundException;

// java -cp <path to tools.jar>:./ -Xdebug -Xrunjdwp:transport=dt_socket,address=8888,server=y,suspend=n debug.Main
public class Main {
  public static void main(String[] args)
      throws InstanceNotFoundException, IOException, IllegalConnectorArgumentsException {
    VirtualMachineManager manager = Bootstrap.virtualMachineManager();
    AttachingConnector connector = manager.attachingConnectors().stream()
        .filter(attachingConnector -> attachingConnector.transport().name().contentEquals("dt_socket"))
        .findFirst()
        .orElseThrow(InstanceNotFoundException::new);

    Map<String, Argument> defaults = connector.defaultArguments();
    Argument port = defaults.get("port");
    port.setValue("8888");
    com.sun.jdi.VirtualMachine virtualMachine = connector.attach(defaults);
    List<ReferenceType> string = virtualMachine.classesByName("java.lang.String");

    ReferenceType type = string.get(0);
    List<ObjectReference> instances = type.instances(10); // put 0 to get all strings
    for (ObjectReference instance : instances) {
      System.out.println(instance);
    }
  }
}