TongChen questions

TongChen answers

• Backtracking with Depth First Search Iteratively
• Persisting data on disk using Hazelcast
• How to get all objects having the same max value with Java streams? [duplicate]
• Java counting in a period of a window size(e.g. size=3)
• Using Lambda functions to Consume all objects provided by a Supplier
• How to count method calls by instance