Shaik Mujahid Ali questions

• Kafka in distributed system
• Count field values with more than one occurence in mongodb
• Inserting more than 16mb document into Mongo db 3.0 using java
• I have a header.jsp whose style keeps changing for different logins its a dynamic header
• Upload image in spring mvc
• How to $and two documents in mongodb and Java?
• MongoDB project the documents with count greater than 2 [duplicate]
• Auto increment sequence in mongodb using java
• How to append existing array in existing collection in mongodb using java with new values
• Delete message after consuming it in KAFKA

Shaik Mujahid Ali answers