CS 421

Summer 2026 All Classes

All Classes

Programming Languages & Compilers

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Credit: 3 OR 4 hours.

Structure of programming languages and their implementation. Basic language design principles; abstract data types; functional languages; type systems; object-oriented languages. Basics of lexing, parsing, syntax-directed translation, semantic analysis, and code generation.

3 undergraduate hours. 3 or 4 graduate hours. Prerequisite: One of CS 233, CS 240, CS 340 or ECE 391; CS 374 or ECE 374; one of MATH 225, MATH 257, MATH 415, MATH 416, ASRM 406, or BIOE 210.

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CS 421 class schedule data for summer 2026
CRN	Type	Section	Time	Day	Location	Instructor	Section Details
40640	Online	DS3	ARRANGED	n.a.	n.a.	Beckman, M	Availability: Open (Restricted) Part of Term: SF Date Range: 05/18/26-08/06/26 Credit: 3 hours Section Info: This course is only for students that are in the Computer Science Online MCS / MCS-DS Program. This section has one or more proctored exams, which may carry additional fees. Restriction(s): Restricted to MCS:Computer Sci Online -UIUC.
37194	Online	DS4	ARRANGED	n.a.	n.a.	Beckman, M	Availability: Open (Restricted) Part of Term: SF Date Range: 05/18/26-08/06/26 Credit: 4 hours Section Info: This course is only for students that are in the Computer Science Online MCS / MCS-DS Program. This section has one or more proctored exams, which may carry additional fees. Restriction(s): Restricted to MCS:Computer Sci Online -UIUC.
40621	Online	G3	ARRANGED	n.a.	n.a.	Beckman, M	Availability: CrossListOpen (Restricted) Part of Term: SF Date Range: 05/18/26-08/06/26 Credit: 3 hours Section Info: This course will be taught on the Coursera platform. There may be online fees included for this course. Restriction(s): Restricted to Graduate - Urbana-Champaign. Not intended for MCS:Computer Sci Online -UIUC or MCS:Computer Sci Online -UIUC.
30794	Online	G4	ARRANGED	n.a.	n.a.	Beckman, M	Availability: CrossListOpen (Restricted) Part of Term: SF Date Range: 05/18/26-08/06/26 Credit: 4 hours Section Info: This course will be taught on the Coursera platform. There may be online fees included for this course. Restriction(s): Restricted to Graduate - Urbana-Champaign. Not intended for MCS:Computer Sci Online -UIUC or MCS:Computer Sci Online -UIUC.
30792	Online	U	ARRANGED	n.a.	n.a.	Beckman, M	Availability: CrossListOpen (Restricted) Part of Term: SF Date Range: 05/18/26-08/06/26 Credit: 3 hours Section Info: This course will be taught on the Coursera platform. There may be online fees included for this course. Restriction(s): Restricted to Undergrad - Urbana-Champaign. Not intended for First Time Freshman students.