/Java/Document.set() firebasefirestore java

Document.set() firebasefirestore java

Firestore set a document

let data = {
  name: 'Los Angeles',
  state: 'CA',
  country: 'USA'
};

// Add a new document in collection "cities" with ID 'LA'
let setDoc = db.collection('cities').doc('LA').set(data);

Document.set() firebasefirestore java

var washingtonRef = db.collection("cities").doc("DC");
// Atomically add a new region to the "regions" array field.
washingtonRef.update({
    regions: firebase.firestore.FieldValue.arrayUnion("greater_virginia")
});
// Atomically remove a region from the "regions" array field.
washingtonRef.update({
    regions: firebase.firestore.FieldValue.arrayRemove("east_coast")
});

Source: medium.com

Similar codes

0 vote293 views1 answer
Show input dialog java
Java
0 vote296 views1 answer
How to check if a person pressed a buuton in jframe
Java
0 vote272 views1 answer
How can i put infirmation of arraylist in a dropdown java
Java
3 votes466 views1 answer
How to do stuff with a scoreboard minecraft
Java
0 vote271 views1 answer
Java parse boolean to string
Java
5 votes331 views3 answers
Java remove space at the end of string
Java
0 vote259 views1 answer
How to get string input line in java
Java
3 votes266 views3 answers
Java list get first element
Java
1 vote278 views1 answer
Dreamworks studio recent movies
Java
0 vote232 views1 answer
Java return pair
Java