I have been wondering the definition...
I mean, Are both 00123 and 12345 five-digit numbers?

If talking in context of programming languages (C/C++), no. A number with leading 0 denotes an octal number the same way that a leading 0X denotes a hexadecimal number.

So in the end, when expressed in decimal format (base 10, normal numbers), 00123 stands for 83.

If talking in context of programming languages (C/C++), no. A number with leading 0 denotes an octal number the same way that a leading 0X denotes a hexadecimal number.

So in the end, when expressed in decimal format (base 10, normal numbers), 00123 stands for 83.

I am trying to understand the SynchronizedMap and I ran the below code. I get the below Output with an exception. According to my understanding the exception is caused when ...

So, the title may seem confusing so hopefully I am able to explain myself better via the thread body. I am developing an application for a friend that wants to ...