user1950349 questions

• How to get 100 random elements from HashSet in Java?
• How to check on field in JSON for null?
• how to initialize byte array in Java?
• RejectedExecutionException coming from single thread executor
• not able to execute R script from java program?
• Populate string value in a map only if matches the threshold bytes
• Sending byte array of approximately fixed size everytime to another method
• How to add prefix to all the elements of List efficiently?
• Serialize POJO to JSON with different names using GSON?
• chrono steady_clock not giving correct result?

user1950349 answers