1. CS1101: Programming Methodology http://www.comp.nus.edu.sg/~cs1101x/ http://www.comp.nus.edu.sg/~cs1101x/ Aaron Tan

2. 2 This is Week 10  Week 9:  Chapter 10: Arrays and ArrayList s  This week:  We will complete ArrayList s  Exercise: Matrix multiplication (Matrices.java)  Chapter 11: Type Details and Alternate Coding Mechanisms  Mini-programming test

3. 3 Exercise: Matrix Multiplication To compute C = A  B, where A, B, C are matrices  c i,j = (a i,1  b 1,j ) + (a i,2  b 2,j ) +... + (a i,n  b n,j )  c i,j is sum of terms produced by multiplying the elements of A’s row i with B’s column j. Example on 3  3 matrices:  Please refer to MatricesSolution.java

4. 4 Chapter 11 Let’s go to Chapter 11.

5. 5 Mini Programming Test Refer to hand-out.

6. 6 Exercises  Try last year’s lab #7 exercises:  Sudoku  Rabbit Jumps  Polygon  Go to course website, “Labs” page to retrieve last year’s lab write-ups:  http://www.comp.nus.edu.sg/~cs1101x/3_ca/labs.html http://www.comp.nus.edu.sg/~cs1101x/3_ca/labs.html

7. 7 Announcement/Reminder  Lab #4  Deadline: 22 October (Wednesday), 2359 hr.  Identical codes  Please do not share codes for your lab assignments!

8. 8 This is Week 10  Next week?  No lecture!  No discussion session!  Week 12  Chapter 14 Exception Handling  Chapter 15 Files

9. 9 End of file