lec08 - CS125 Course Notes Lecture 8 Slide 1 Lecture 8 •...

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Unformatted text preview: CS125 Course Notes Lecture 8, Slide 1 Lecture 8 • Nested loops • Trouble-shooting • Repetition errors • Exiting (Savitch 3.3) CS125 Course Notes Lecture 8, Slide 2 Recall loops • while( Boolean_Expression ) { Body ; } • do { Body ; } while( Boolean_Expression ) • for ( Initialize ; Test ; Update ) { Body ; } CS125 Course Notes Lecture 8, Slide 3 Loop comparisons Unknown 1 do while Unknown while Known for Number of iterations Minimum loops Name CS125 Course Notes Lecture 8, Slide 4 Nested loops • We can nest loops inside of each other just like we did with if-else statements. CS125 Course Notes Lecture 8, Slide 5 Problem • Draw a square of asterisk ( * ) characters for a given number of rows/columns. • Sample output (num=4): **** **** **** **** CS125 Course Notes Lecture 8, Slide 6 Solution • Example: for (int y = 0; y <= num; y++) { // Draw num columns of * for // this row System.out.println(); } //draws a 4x4 square....
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This note was uploaded on 07/27/2009 for the course MATH 135 taught by Professor Andrewchilds during the Fall '08 term at Waterloo.

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lec08 - CS125 Course Notes Lecture 8 Slide 1 Lecture 8 •...

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