CS 111 - 10/21/14 Exam 1 Results 15% of the final letter grade Count: 140 Max: 99 Min: 21 Average: 73.21 Median: 75 St. Dev: 17.35 90's: 22 80's: 37 70's: 32 60's: 21 50's: 13 40's: 7 30's: 5 20's: 3 Boolean Operators: AND, OR NOT AND: Syntax && Binary Operator (i.e. takes two operands) evaluates to true if both operands are true otherwise evaluates to false ( (x < 5) && ( y == 3) ) OR: Syntax || Binary Operator evaluates to true if either (or both) operand is true, otherwise evaluates to false ( (x < 5) || ( y == 3) ) NOT: Syntax ! Unary Operator (I.E. Takes one operand ) evaluates to true if the operand is false, otherwise evaluates to false ( ! ( x < 4 ) ) The most common use of the Boolean Operators is to check if a value is in a particular range of numbers print x if x is within the range from 0 to 100 inclusive if ( ( x >= 0 ) && (x <= 100) ) { System.out.println ("X contains: " + x); } Truth Tables: X Y || X && Y X || Y !X ---------------------------------------------- T T || T T F T F || F T F F T || F T T F F || F F T