Question
What is the difference between mailbox and queue?
Answers
A queue is a variable-size, ordered collection of homogeneous elements. A Queue is analogous to one dimensional unpacked array that grows and shrinks automatically. Queues can be used to model a last in, first out buffer or first in, first out buffer.
// Other data type as reference// int q[]; dynamic array// int q[5]; fixed array// int q[string]; associate array // include int q[$] = { 2, 4, 8 };int p[$];int e, pos;e = q[0]; // read the first (leftmost) iteme = q[$]; // read the last (rightmost) itemq[0] = e; // write the first itemp = q; // read and write entire queue (copy)
A mailbox is a communication mechanism that allows messages to be exchanged between processes. Data can be sent to a mailbox by one process and retrieved by another.   Your Comment




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