#import("@local/dtu-template:0.5.1"):*


#show: dtu-programming-assignment.with(
    course: "02100",
    course-name: "Indledende Programmering og Softwareteknologi, Efterår 2025",
    title: "Tetseksamen",
    author: "s255955",
    programming-language: "Java",
    semester: "2025 Fall",
)

= Opgave 1
```
public static void figure(int n){
    for(int i = 0; i < n; i++) {
        for(int j = 0; j < i; j++) {
            System.out.print(" ");
        }
        for(int j = 0; j < (2 * n) - 1 - (i*2); j++){
            System.out.print("*");
        }
        System.out.println();
    }
}
```

= Opgave 2
```
import java.util.Scanner;
import java.util.ArrayList;

public class Loop {
    public static void main(String[] args) {
        Scanner console = new Scanner(System.in);
        ArrayList<String> words = new ArrayList<>();
        System.out.println("Please enter \"STOP\" to stop.");
        while (true) {
            System.out.print("Enter a word: ");
            String next_word = console.next();
            words.add(next_word);
            if (next_word.equals("STOP")) {
                break;
            }
        }
        System.out.println("Here are the word lengths:");
        for (int i = 0; i < words.size(); i++) {
            String word = words.get(i);
            System.out.println(word + " " + word.length());
        }
        System.out.println("The last word was \"STOP\" of course.");

    }
}
```

= Opgave 3

```
public class Data {
    private int major;
    private int minor;
    private boolean active;
    public Data(int major, int minor, boolean active) {
        this.major = Math.max(0, major);
        this.minor = Math.max(0, minor);
        this.active = active;
    }

    public int getMajor() {
        return this.major;
    }
    public int getMinor() {
        return this.minor;
    }
    public boolean getActive() {
        return this.active;
    }
    public void parity() {
        this.major = this.major % 2;
        this.minor = this.minor % 2;
    }
    public String toString() {
        return "" + this.major + (this.active ? "**" : "//") + this.minor;
    }
}

public class Grid {
    private Data[] a;
    public Grid(boolean[][] m) {
        this.a = new Data[m[0].length * m.length];
        for (int i = 0; i < m.length; i++) {
            for (int j = 0; j < m[i].length; j++) {
                this.a[(m[0].length * i)+j] = new Data(i, j, m[i][j]);
            }
        }
    }
    public void update() {
        for (int i = 0; i < this.a.length; i++) {
            if (this.a[i].getActive()) {
                this.a[i].parity();
            }
        }
    }

    public String toString() {
        String return_string = "";
        for (int i = 0; i < this.a.length; i++) {
            return_string += this.a[i] + (i == this.a.length - 1 ? "" : "-");
        }
        return return_string;
    }

}

```

= Opgave 4
```
public class Person {
    private String navn;
    public Person(String navn) {
        this.navn = navn;
    }

    public String toString() {
        return this.navn;
    }
}

public class Vektor extends Person {
    private int id;
    public Vektor(String navn, int id) {
        super(navn);
        this.id = id;
    }
    public String toString() {
        return "Vektor:" + super.toString() + ";" + this.id;
    }
}

public class Rektor extends Person {
    private double id;
    public Rektor(String navn, double id) {
        super(navn);
        this.id = id;
    }
    public String toString() {
        return "Rektor:" + super.toString() + ";" + this.id;
    }
}

public class Lektor extends Person {
    public Lektor(String navn) {
        super(navn);
    }
    public String toString() {
        return "Lektor:" + super.toString();
    }
}
```