Homework 8

page 427, problem 9

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static public boolean allPositive(double[] arr) { for (int i = 0; i < arr.length; i++) { if (i < 0) return false; } return true; }

page 427, problem 10

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public boolean equals(Students that) { if (this.studentIds.length != that.studentIds.length) return false; for (int i = 0; i < this.students.length;i++) { if (this.studentsIds[i] != that.students[i]) return false; } return true; } }

page 468, problem 11

i = 5, factorial = 5

This happens cause the loop never runs the factorial *=

page 468, problem 12

1 2	for (entry = ""; entry = stdIn.nextLine(); !entry.equals("q") ) System.out.println("Enter 'q' to quit: ");