Q: Does Java have an operator like sizeof() in C? A: A superficial answer is that Java does not provide anything like C’s sizeof(). However, let’s consider why a Java programmer might occasionally ...

Recently, I helped design a Java server application that resembled an in-memory database. That is, we biased the design toward caching tons of data in memory to provide super-fast query performance.

We all know java has an build in function named length() to count a string length but with this code we can count the string length in java using for loop using logic.