Implementations of series in Java 1.0

/**
 * Implementations of series in Java
 * Date : 21.09.19
 */
package display.series.and.it.s.sum;

/**
 *
 * @author Fahim
 */
public class Series {

    private int n;

    Series(int n) { this.n = n; }

    private long power(int num, int p){
        long result = 1;
        for(int i = 1; i <= p; i++){
            result *= num;
        }
        return result;
    }

    private void series1(){
        long total = 1;
        System.out.println("The 1st series: \n");
        for(int i = 1; i <= n; i++){
            System.out.print( i +"^2");
            if(i != n) { System.out.print(" X "); }
            total *= power(i, 2);
        }
        System.out.println(" = " + total +"\n\n");
    }

    private void series2(){
        long total =  0, num = 3;
        System.out.println("The 2nd series: \n");
        for(int i = 0; i < n; i++){
            System.out.print( num);
            if(i != n-1) { System.out.print(" + "); }
            total += num;
            num += 3;
        }
        System.out.println(" = " + total +"\n\n");
    }

    private void series3(){
        long total = 1;
        System.out.println("The 3rd series: \n");
        for(int i = 1; i <= n; i++){
            System.out.print( i +"^3 X " + (i+1));
            if(i != n) { System.out.print(" + "); }
            total += (power(i, 3) * (i + 1));
        }
        System.out.println(" = " + total +"\n\n");
    }

    public void run(){
        series1();
        series2();
        series3();
    }
}