Boolean Expressions

Boolean w6

 

using Relational and Logical Operators to Evaluate Logical (Boolean) Expression

Evaluate the logical (Boolean) expressions in the following exercises and circle the correct answer after you evaluation. For char and String types, use the Unicode collating sequence.

Expression Result (Circle correct answer)
1.      int num1 = 3,  num2 = 2;

(num1  >  num2)

T          F
2.    double hours = 12.8;

(hours  >  40.2)

T          F
3.    int  funny =  7;

(funny  !  =  1)

T          F
4.    char  letter  =  ‘ A ‘;

(‘a’ < letter )

T          F
5.    int  count =  1;

count  < = 4;

T          F
6.    double  y =  -2 . 3;

y  > =  0.0;

T          F

 

Expressions Use the following values:

X = false,  y = false,  z = true

Result

(Circle all possible answers)

1.    !  (  x | | y)  | |  z T     F     short – circuit
2.    x  &&  z  &&  y T     F     short – circuit
3.    !  x   |  |  (y   |  |  !  z) T     F     short – circuit
4.    x   | |   (z   &&  (y   | |   x)  ) T     F     short – circuit
5.    true  | |  !  z  &&  y T     F     short – circuit
6.    !  (x  | |  y)  | |  x T     F     short – circuit
7.    z   &&   x   &&   y T     F     short – circuit
8.    !   x   | |   (y   | |   !   z) T     F     short – circuit
9.    x   | |   (y   &&   (x   | |   z)  ) T     F     short circuit
10.    false   | |   !   x   &&   y T     F     short – circuit
     

 

Expression Use the  following values:

X = false,  y = false,  z = true

T     F

(Circle all possible answers)

 

Result

(Circle all possible answers)

1.    String  name1 = “Aaron” ;

String  name2 = “aaron” ;

name1. compareTo(name2)= = 0

T     F
2.    String name1 = “Aaron” ;

String name2 = “Aardvark” ;

namel. compareTo(name2) > 0

T          F
3.    Boolean flag = true;

int a = 2,  b = 5,  c = 10;

(a  *  b  <  =  c  &&  !  flag)

T          F
4.    String  name1  =  “Aaron” ;

String  word  =  “A” ;

name1 .compareTo(word)  <  0

T          F
5.    int  x = 2;

double   y   =   1 . 1;

(x  –  y)  = =  0 . 9

 

T          F

Need help with this assignment or a similar one? Place your order and leave the rest to our experts!

Quality Assured!

Always on Time

Done from Scratch.