Gene Probability Java Code

import java.lang.Math;

public class GenoPheno {
    public static void main(String[] args) {
    int genotype[]=new int [2];
    int homoDom=0;
    int heteroDom=0;
    int homoRec=0;
    int dom=0;
    int rec=0;
    for (int x=1;x<=100;x++) {
        genotype[0]=(int)(Math.random()*2+1);
        genotype[1]=(int)(Math.random()*2+1);
        switch(genotype[0]) {
            case 1:
                System.out.print("R");
                switch(genotype[1]) {
                    case 1:
                        System.out.print("R\t|\thomozygous dominant\t\t|\tnormal skin\n");
                        homoDom++;
                        break;
                    case 2:
                        System.out.print("r\t|\theterozygous dominant\t|\tnormal skin\n");
                        heteroDom++;
                        break;
                }
                break;
            case 2:
                System.out.print("r");
                switch(genotype[1]) {
                    case 1:
                        System.out.print("R\t|\theterozygous dominant\t|\tnormal skin\n");
                        heteroDom++;
                        break;
                    case 2:
                        System.out.print("r\t|\thomozygous recessive\t|\talbino\n");
                        homoRec++;
                        break;
                }
                break;
        }
    }
    System.out.println("RR: "+homoDom+"/100 Rr or rR: "+heteroDom+"/100 rr: "+ homoRec+"/100.");
    rec=homoRec;
    dom=homoDom+heteroDom;
    System.out.println(dom+"/100 were dominant. "+rec+"/100 were recessive.");
    }
}