Snapshot for loop android java

FirebaseDatabase.getInstance().getReference().child("users")
            .addListenerForSingleValueEvent(new ValueEventListener() {
                @Override
                public void onDataChange(DataSnapshot dataSnapshot) {
                    for (DataSnapshot snapshot : dataSnapshot.getChildren()) {
                        User user = snapshot.getValue(User.class);
                        System.out.println(user.email);
                    }
                }
                @Override
                public void onCancelled(DatabaseError databaseError) {
                }
            });

Source: stackoverflow.com

Snapshot for loop android java

class User {
  private String email;
  private String userId;
  private String username;
  // getters and setters...
}

Source: stackoverflow.com

Similar codes

11 votes390 views1 answer
Exception in thread "main" java.lang.indexoutofboundsexception: index 1 out of bounds for length 1
Java
1 vote371 views1 answer
Runtime exception in java
Java
1 vote365 views1 answer
Linear layout background color
Java
0 vote351 views1 answer
Spring filter exception handling
Java
0 vote354 views1 answer
Duplicate class com.google.common.util.concurrent.ListenableFuture found in modules jetified-guava-24.1-jre (com.google.guava:guava:24.1-jre) and jetified-listenablefuture-1.0 (com.google.guava:listenablefuture:1.0)
Java
2 votes371 views1 answer
Spigot actionbar
Java
0 vote339 views1 answer
Font type javafx button css
Java
1 vote365 views1 answer
Events that people think are unlikely but actually have high probability
Java
0 vote359 views1 answer
Builtin calculator for edittext
Java
0 vote335 views1 answer
Take a peice from array java
Java