Read write implementation
Revert "added Salary abstract method"

This reverts commit c6e9e66b9a5e14897330513d23dbedd9d7a19e44.
Revert "implemented Contract in faculty"

This reverts commit b9dd6bbecf8aaadee635fb2c668f6623839ea6fe.
Merge branch 'James' of https://github.com/seg-s/pr3 into James

Conflicts:
	Lab3/src/lab3/Faculty.java
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Merge pull request #2 from seg-s/James

James
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Merge pull request #3 from seg-s/James

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Merge pull request #4 from seg-s/Andrea

Andrea
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Revert "."

This reverts commit 959d726b0c329c5d24cfe3f1f72b32e146e26775.
Merge branch 'master' of https://github.com/seg-s/pr3
Merge branch 'Andrea' of https://github.com/seg-s/pr3 into Andrea