How to store random coordinates?

Processing Beginners
14

I don’t fully understand, but…

PVector name1 = new PVector(posx1,posy1,posz1);
PVector name2 = new PVector(posx2,posy2,post2);
PVector name3 = new PVector(posx3,posy3,posz3);

//to get varriables use
float posx1 = name1.x;
float posy1 = name1.y;
float posz1 = name1.z;

float posx2 = name2.x;
float posy2 = name2.y;
float posz2 = name2.z;

float posx3 = name3.x;
float posy3 = name3.y;
float posz3 = name3.z