The java.util<span> includes the class date calendar and the </span>arraylist. This package contains a list of helpful classes and interfaces. These useful classes and interfaces are more important than the name of the package might imply. Many programs will find these things important.<span> </span>
Answer:
The answer would be f the bottom one
The stage that involves the change and adaptation of a system is upkeep and maintenance.
Developing a new system is a complex process that requires multiple steps and stages. The most important stages are:
- Planning.
- Design.
- Development.
- Testing.
- Upkeep and maintenance.
From these stages, the last one "upkeep and maintenance" is the one that requires adapting the new system that has been already designed. This is the last stage because even after testing the system it is likely this has to be fixed or adapted, the most common reasons are:
- Fails that were not detected during testing.
- Upgrading the sytem.
- Including new features to meet customers' needs.
Based on this, the phase during which the system is fixed or adapted is the upkeep and maintenance stage.
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Answer:
Islam spread arcoss North Africa into the eastern Horn of Africa, and even over the SAHARA DESERT into the West Africa. The arrival had a major impact on the political and social development of those regions, and it remains a significant force in Africa today
