Question

1. What is the output?

System.out.print(3 + 3 * 3);

a.	18
b.	12
c.	9
d.	0
e.	10

            2.   What is output by the code below?

System.out.print("\\dog\\cat");

a.	dog
b.	dogcat
c.	\\dog\\cat
d.	\dog\cat
e.	catdog\\\\

            3.   What is returned by the call     getIt(9) ?

public static int getIt(int num){

int ans = 0;

if( num >=2 )

{

     if( num >= 7)

        ans += 2;

     else

        ans += 3;

}

ans += 4;

return ans;

}

a.	4
b.	2
c.	6
d.	7
e.	9

            4.   What is returned by the call     getIt(3) ?

public static int getIt(int num)

{

int ans = 0;

if( num >=2 )

{

     if( num >= 7)

        ans += 2;

     else

        ans += 3;

}

ans += 4;

return ans;

}

a.	4
b.	6
c.	7
d.	4
e.	9

            5.   What is returned by the call     getIt(1) ?

public static int getIt(int num)

{

int ans = 0;

if( num >=2 )

{

     if( num >= 7)

        ans += 2;

}

else

{

     ans += 3;

}

   ans += 4;

return ans;

}

a.	4
b.	5
c.	6
d.	7
e.	9

              

            6.   What is output by the code below?

//client code

int[] list = {2,12,11,45,52,36,5,3,1};

System.out.println( go(list) );

//go receives an array and returns a calculated value

public static double go( int[] ray )

{

int val = 0;

for(int i=0; i < ray.length; i = i + 2)

    val = val + ray[i];

return val;

}

a.	45.0
b.	96.0
c.	56.0
d.	65.0
e.	71.0

            7.   What is output by the code below?

//client code

int[] list = {2,12,11,45,52,36};

System.out.println( go(list) );

//go receives an array and returns a calculated value

public static int go( int[] ray )

{

int val = Integer.MIN_VALUE;

for(int i=0; i < ray.length; i++)

    if( ray[i] > val )

      val = ray[i];

return val;

}

a.	45
b.	2
c.	12
d.	52
e.	36

              

            8.   What is the code shown below working to locate?

public static int go( int[] ray )

{

int val = Integer.MIN_VALUE;

for(int i=0; i < ray.length; i++)

    if( ray[i] > val )

      val = ray[i];

return val;

}

a.	The code is trying to locate all of the even numbers.
b.	The code is trying to locate the biggest number.
c.	The code is trying to locate the smallest number.
d.	The code is trying to locate all of the odd numbers.
e.	The code is trying to locate the biggest even number.

            9.   What is output by the code below?

//client code

int[] list = {3, 6, 9, 2, 4, 5};

System.out.println( go(list) );

//go receives an array and returns a calculated value

public static int go( int[] ray )

{

int val = 0;

for(int i=0; i < ray.length; i++)

    val = val + ray[i];

return val;

}

a.	29
b.	27
c.	20
d.	26
e.	25

          10.   What is output by the code below?

System.out.println(Math.pow(2,4));

a.	32
b.	16
c.	16.0
d.	32.0
e.	8.0

Answer 1

ANSWER:-

QUESTION (1):-

OPTION (B) 12

QUESTION (2):-

OPTION (D) \dog\cat

QUESTION (3):-

OPTION (C) 6

QUESTION (4):-

OPTION (E) 71.0

QUESTION (5):-

OPTION (D) 52

QUESTION (6):-

OPTION (B)

QUESTION (7):-

OPTION (A) 29

QUESTION (8):-

OPTION (C) 16.0