ghostrider questions

• No arg constructor and De serialization in Java
• How to cast one object into another
• Range of char in java
• Difference between estimatedSize and getExactSizeIfKnown in Spliterator
• SynchronizedMap ConcurrentModificationException
• Efficient way to iterate and copy the values of HashMap
• Why are char[] the only arrays not supported by Arrays.stream()?

ghostrider answers