In the context of C, C++, and Java, what is another phrase for heap allocation?

What are the reasons for and against Java's implicit heap storage recovery when contrasted to the explicit heap storage recovery required in C++? Consider real-time systems as an example.

How does a decimal value waste memory space?   What are the arguments for and against Java's implicit heap storagerecovery compared with the explicit heap storage recovery required in C++? Consider real-timesystems.

What are some examples of real-world applications of binary search trees that may be incorporated in projects while learning about them in C++?

What are the tradeoffs between languagebased and library-based implementations of concurrency?