How can we resolve java lang OutOfMemoryError in Java

Question

When I am trying to run my code, I am getting java.lang.OutOfMemoryError. How to solve this?

Answer 1

1. Work with smaller batches of HashMap Objects to process at once if possible.
2. Use the HashMap(int initialCapacity, float loadFactor) constructor.
3. Specify more memory like you mentioned , try something in between like -Xmx512m.