/*
Vorlage für Aufgabe 1 & 2
 */
public class DnaSequence {
    String id;
    String sequence;

    public DnaSequence(String id, String sequence) {
        this.id = id;
        this.sequence = sequence;
        if (!this.isValidSequence()) System.out.println("Achtung: Keine gültige DNA Sequenz!");
    }

    public int length() {
        return this.sequence.length();
    }

    public boolean isValidSequence() {
        for (char c : sequence.toCharArray()) {
            if (c != 'A' && c != 'G' && c != 'C' && c != 'T') return false;
        }
        return true;
    }
}