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Logic Loops: Examples

• Pascal: separate pretest and posttest logical loop statements (while-do and repeat-until)

• C and C++: also have both, but the control expression for the post-test version is treated just like in the pretest case (while-do and do-while)

• Java: like C, except the control expression must be Boolean (and the body can only be entered at the beginning--Java has no goto)

• Ada: a pretest version, but no post-test

• FORTRAN 77 and 90: have neither