/Java/What is datasnapshot.getkey() in android studio

What is datasnapshot.getkey() in android studio

Query reference=FirebaseDatabase.getInstance().getReference().child("products").orderByChild("name").equalTo("iphon");
reference.addListenerForSingleValueEvent(new ValueEventListener() {
    @Override
    public void onDataChange(DataSnapshot dataSnapshot) {
        for (DataSnapshot childSnapshot: dataSnapshot.getChildren()) {
            String key=childSnapshot.getKey();
            Log.i(TAG,key);
        }
    }

Source: stackoverflow.com

Similar codes

17 votes229 views5 answers
Constructor
Java
14 votes247 views1 answer
Character at index of string java
Java
0 vote253 views3 answers
Change replication factor hadoop cluster command
Java
0 vote234 views1 answer
Spring yml property boolean
Java
0 vote230 views1 answer
Stringbuilder java setlength
Java
1 vote229 views3 answers
Android imageview set image from drawable programmatically
Java
0 vote231 views1 answer
Sartt timer of 40 second when send otp andrpid
Java
1 vote230 views1 answer
Spring boot
Java
0 vote196 views2 answers
We would like to make a member of a class can access in all subclasses regardless of what package the subclass is in. Which one of the following keywords would achieve this?
Java
13 votes239 views2 answers
Android how to start a new activity on button click
Java