Logic Examples

1. ((num < 0) && (num > max))

   max is 100 and num is -1:   T or F
                  num is 110:  T or F
                  num is 100:  T or F
   
   

2. (!(num < 0) && (num > max))

   max is 100 and num is -1:   T or F
                  num is 110:  T or F
                  num is 100:  T or F
   
   

3. ((num < 0) || (num > max))

   max is 100 and num is -1:   T or F
                  num is 110:  T or F
                  num is 100:  T or F
   
   

4. ((num > 0) ^ (num > max))

   max is 100 and num is -1:   T or F
                  num is 110:  T or F
                  num is 100:  T or F
   
   

5. ((x == 0) && (x < 10))

   x is 100:   T or F
   x is  10:   T or F
   x is   0:   T or F
   x is   9:   T or F
   
   

6. (name.equals("cathy"))

   name is "cathy":    T or F
   name is "pippi":    T or F
   name is "kathy":    T or F
   
   

7. ((amount > balance) && (!auto_loan))

   amount is 100, balance is 100, and auto_loan is false:  T or F
   amount is 101, balance is 100, and auto_loan is true:  T or F
   amount is 10, balance is -100, and auto_loan is false:  T or F
   amount is 101, balance is 100, and auto_loan is false:  T or F
   amount is 100, balance is 100, and auto_loan is true:  T or F
   amount is 12, balance is -100, and auto_loan is true:  T or F
   
   

8. ((amount <= balance) || (auto_loan))

   amount is 100, balance is 100, and auto_loan is false:  T or F
   amount is 101, balance is 100, and auto_loan is true:  T or F
   amount is 10, balance is -100, and auto_loan is false:  T or F
   amount is 101, balance is 100, and auto_loan is false:  T or F
   amount is 100, balance is 100, and auto_loan is true:  T or F
   amount is 12, balance is -100, and auto_loan is true:  T or F
   
   

9. (!(age < 21))

   age is 21:  T or F
   age is 20:  T or F
   age is 22:  T or F
   
   

10. (age >= 21)

    age is 21:  T or F
    age is 20:  T or F
    age is 22:  T or F