December 26, 2003. 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 ...

'before' heap: 510696, 'after' heap: 2110696 heap delta: 1600000, {class java.lang.Integer} size = 16 bytes The 16-byte result is a little worse than I expected because an int value can fit into ...

When you initialize Java arrays with the new keyword, the size argument is of type int. The 32-bit Java int can go to a maximum of 2,147,483,647, so that is the theoretical maximum Java array size.