H7 theorie oefeningen

//oef 2

public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        int getallen[]  = new int[10];

        for(int i = 0; i <=9;i++){
            System.out.println("Geef getal " + (i + 1)+ ": ");
            getallen [i]=s.nextInt();
        }

        System.out.println("Geef nog en getal in: ");
        int waarde = s.nextInt();
        System.out.println("\tindex\twaarde");


        for(int i = 0; i<=9; i++){
           if(getallen[i]>waarde){
               System.out.println("\t" + i + "\t" + getallen[i]);
           }
        }
    }







//oef 3

public static void main(String[] args) {
        int getallen[] = {360,2100,450,1450,650,780,321,1200,560,1850,960,420};
        int laagste = getallen[0];
        int maandl = 0;
        int hoogste = getallen[0];
        int maandh = 0;
        for(int i=0; i<=11; i++){
            if(getallen[i]<laagste){
                laagste = getallen[i];
                maandl = i;
            }
            if(getallen[i]>hoogste){
                hoogste = getallen[i];
                maandh = i;
            }
        }
        System.out.println("laagste: " + laagste + "in de maand " + (maandl + 1));
        System.out.println("hoogste: " + hoogste + "in de maand " + (maandh + 1));
    }








//oef 4

public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        double table [][]= new double[3][2];
        int total = 0;
        for(int i=0; i<=2;i++){
            for(int j=0; j<=1;j++){
                System.out.println("geef een getal voor rij " + i + " kolom " + j + ": ");
                double temp = s.nextDouble();
                table[i][j] = temp;
                total += temp;
            }
        }
        System.out.println("Gemiddelde = " + (total/6));
    }