Java is a general-purpose programming language that is class-based, object-oriented,[and designed to have as few implementation dependencies as possible. It is intended to let application developers "write once, run anywhere".SQL( Structured Query Language) is a domain-specific language used in programming and designed for managing data held in a relational database management system (RDBMS), It is particularly useful in handling structured data where there are relations between different entities/variables of the data.