quosdolorem/packages/java-shell/src/test/resources/cursor/itcount.js

The MongoDB Shell

// before
db.coll.deleteMany({});
db.coll.insertOne({"_id": 1, name: "Vasya"});
db.coll.insertOne({"_id": 2, name: "Petya"});
db.coll.insertOne({"_id": 3, name: "Lyusya"});
// command
db.coll.find().itcount();
// clear
db.coll.drop();