array mark ,equal mark,small mark,highest mark, second highest mark

package afterfeb13;

public class secondgreater {
    public static void main(String[] args) {
        int[] mark = { 200, 100, 78, 89, 102 };
        int highest = 0, second_highest = 0, third_highest = 0;
        for (int i = 0; i < mark.length; i++) {
            if (mark[i] > highest)// 56>0//100>56---//102>100
            {
                second_highest = highest;
                highest = mark[i];

            } else if (mark[i] > second_highest) {
                third_highest = second_highest;
                second_highest = mark[i];
            } else if (mark[i] > third_highest) {
                third_highest = mark[i];
            }

        }

        System.out.println("highest num = " + highest);
        System.out.println("second_highest = " + second_highest);
        System.out.println("third_highest = " + third_highest);

    }

}

package afterfeb13;

public class smallestnum {
    public static void main(String[] args) {
        int[] mark = { 200, 100, 78, 89, 102 };
        int small = mark[0];
        for (int i = 0; i < mark.length; i++) {
            if (mark[i] < small) {
                small = mark[i];
            }
        }
        System.out.println(small);

    }
}

package afterfeb13;

public class numberequal {
    public static void main(String[] args) {
        int[] mark = { 90, 81, 82, 90, 90 };
        String[]subject= {"tamil","english","maths","social","science"};
        int count = 0;
        for (int i = 0; i < mark.length; i++)
            if (mark[i] == 90) {
                System.out.println(subject[i]+"="+mark[i]);
                count++;
            }
        System.out.println("count = " + count);

    }

}