Answer Posted / yogithasravani

Data Modeling is a documentation of existing process and
events occur during software development, which is a blue
print for construction or re-engineering

A data model can be represented in diagram or flowchart
which shows the relationship between data

They are different types of data modeling in which these are
include
1.conceptual data modeling
2.Enterprise data modeling
3.Logical data modeling
4.Physical data modeling

A Final method is a method which cannot be 0verridden by a
subclass.

Example:
class chessAlgorithm {
...
Final void nextMove(chesspiece piecemoved, BoardLocation
newLocation) {
...
}
...
}

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public class ActionSearchBean extends GenericSearchBean { @Override public String search() { data.setRowCount(null); if(data.getRowCount()==0){ data.getNoRecordFound().setRendered(true); data.getDataScroller().setRendered(false); } return "searchAction"; } @Override public String clear() { data.setRowCount(null); if (data.getRowCount() > 0){ data.getNoRecordFound().setRendered(false); data.getDataScroller().setRendered(true); }else{ data.getNoRecordFound().setRendered(true); data.getDataScroller().setRendered(false); } data.setModel(new ActionDTO()); data.setRowCount(null); return "searchAction"; } } what is the purpose of @Override ...what will do @Override here ?

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