AlgoDatTut2

import java.util.LinkedList;
import java.util.Collections;

public class StringGenome implements Comparable<StringGenome> {

    private String s = "";

    public void addNucleotide(char c) {
        if (c == 'A'|| c == 'B'|| c == 'G'|| c == 'T')
            s = s + c;
        else throw new RuntimeException("Illegal nucleotide");
    }

    public char nucleotideAt(int i) {
        if (i < s.length()) return s.charAt(i);
        else throw new RuntimeException("Genome out of bounds");
    }

    public int length(){ return s.length(); }

    // overwrite toString()
    public String toString(){
        return s;
    }

    @Override
    // equals() angepasst, sd es funktioniert fuer contains()
    public boolean equals(Object obj){
        StringGenome sg = (StringGenome) obj;
        return sg.s.equals(this.s);
    }

    // compareTo() fuer unsere Comparable interface
    public int compareTo(StringGenome sg){
        return sg.s.compareTo(this.s);
    }

    //MAIN: zu testen und implementieren
    public static void main(String[] args){
        StringGenome genome1 = new StringGenome();
        genome1.addNucleotide('A');
        genome1.addNucleotide('T');
        System.out.println(genome1);

        StringGenome genome2 = new StringGenome();
        genome2.addNucleotide('A');
        genome2.addNucleotide('T');
        genome2.addNucleotide('G');
        System.out.println(genome2);


        StringGenome genome3 = new StringGenome();
        genome3.addNucleotide('A');
        genome3.addNucleotide('G');
        genome3.addNucleotide('G');

        // equals()
        System.out.println(genome1.equals(genome2));

        LinkedList<StringGenome> samples = new LinkedList<>();

        // Linked list w/ contains() method
        samples.add(genome1);
        samples.add(genome2);
        samples.add(genome3);

        System.out.println(samples.contains(genome2));

        System.out.println("samples before: " + samples);

        Collections.sort(samples);

        System.out.println("samples after: " + samples);
    }
}