Java How to Program, Early Objects, 11th Edition

... based on all the grades in the two-dimensional array. The rest of the code in each of the two outputBarChart methods that displays the chart is identical.

Method outputGrades

Method outputGrades (lines 124–148) uses nested for statements to output values of the array grades and each student’s semester average. The output (Fig. 7.19) shows the result, which resembles the tabular format of a professor’s physical grade book. Lines 129–131 of of Fig. 7.18 print the column headings for each test. We use a counter-controlled for statement here so that we can identify each test with a number. Similarly, the for statement in lines 136–147 first outputs a row label using a counter variable to identify each student (line 137). Although array indices start ...