That's all about thedifference between public, private, and protected modifiers in Java. Rule of thumb is to keep things as private as possible because that allows you flexibility to change them later. If you c
Mutex and Semaphore in Java both used to provide mutual exclusion for critical section of code but they are completely different to each other. If you want a block of code can be only executed by one thread at a given time you usually lock that portion of code using a mutext which is ...
That’s all on the difference between Self Join and Equi Join in SQL. Self Join is one of the important techniques to solve many SQL query related problems where two columns of the table contain the same type of data e.g. here emp_id and dept_id are essentially the same data....
Difference between OCAJP and OCPJP As I said even though OCAJP and OCPJP are core Java exams they are two different exams, hence they have different exam codes, syllabus, eligibility criterion, and difficulty level. We'll compare them shortly but that's what you need to keep in mind. 1. ...
In the last section, we have seenWhat is Clustered and Nonclustered indexesand How they resolve the physical location of the record. Let's see some more differences between them to answer this SQL interview question : 1.Physical Sorting ...