String s1="Welcome", s2="world"; String $3=s1.substring(2,5)+s2.endsWith("D "); System. out. println("s3=”+$3);

Solution: the categorization of functional and non-functional requirement are as follows: some of the more typical functional requirements include: • business rules• transaction corrections, adjustments and cancellations• administrative functions• authentication• authorization levels• audit tracking• external interfaces• certification requirements• reporting requirements• historical data• legal or regulatory requirementswhile,some typical non-functional requirements are: • performance – for example response time, throughput, utilization, static volumetric• scalability• capacity• availability• reliability• recoverability• maintainability• serviceability• security• regulatory• manageability• environmental• data integrity• usability• interoperability

Well all i know about this is theres a game called plug and play

each side equals 11katrina needs 44 ft of fence