Crappy runtime Enum

java

import java.util.Set;
import java.util.TreeSet;

class RuntimeEnum {
  private final Set<String> allowedValues;
  private String value;
  
  public RuntimeEnum(String[] vals) {
    allowedValues = new TreeSet<String>();
    allowedValues.addAll(vals);
    
    //Initializing the value with the firts allowed value.
    value = vals[0];
  }
  
  public boolean setValue(String val) {
    if (allowedValues.contains(val)) {
      value = val;
      return true;
    }
    return false;
  }
  
  public String getValue() {
    return value;
  }
}