public final class ImmutableObject {

    private final String name;

    private final NormalObject obj =  new NormalObject();

    public String getName() {
        return name;
    }


    public ImmutableObject(String name) {
        this.name = name;
        obj.setName(name);
    }


    public NormalObject getObj() {

        NormalObject tempObj = obj;
        return tempObj;
    }
}

public class NormalObject {

    private String name;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }
}

ImmutableObject obj = new ImmutableObject("Siddle");

 System.out.println(obj.getObj().getName());
 obj.getObj().setName("Kelly");

 System.out.println(obj.getObj().getName());