CS2 Arrays Review

What is output by the code below?

 

int[] array = {5,7,8,11,4};

out.println( array[0] );

• 5

• 7

• 11

• syntax error

• out of bounds exception

What is output by the code below?

 

int[] array = {5,7,8,11,4};

out.println( array[1] );

• 5

• 7

• 11

• syntax error

• out of bounds error

What is output by the code below?

 

int[] array = {5,7,8,11,4};

out.println( array[5/2] );

• 5

• 7

• 8

• syntax error

• out of bounds error

What is output by the code below?

 

int[] array = {5,7,8,11,4};

out.println(array[array.length-1]);

• 4

• 11

• 8

• syntax error

• out of bounds error

What is output by the code below?

 

int[] array = {5,7,8,11,4};

out.println(array[array.length]);

• 4

• 11

• 8

• syntax error

• out of bounds exception

What is output by the code below?

 

int[] array = {5,7,8,11,4};

out.println(array.length);

• 4

• 2

• 3

• 1

• 5

What is output by the code below?

 

int[] array = {5,7,8,11,4};

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

{  

   array[i]=array[array.length-i-1];

}

System.out.println(array[0]);

• 5

• 7

• 8

• 4

• 11

What is output by the code below?

 

int[] array = {5,7,8,11,4};

out.println(array[7/2]);

• 5

• 11

• 8

• syntax error

• out of bounds exception

What is output by the code below?

 

int[] nums = new int[10];

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

{

   nums[i] = i*2;

}

System.out.println(nums[5]);

• 10

• 12

• 14

• 16

• 18

What is output by the code below?

 

int[] array = {5,7,8,11,4};

int sum = 0;

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

   sum = sum + array[i];

System.out.println(sum);

• 21

• 28

• 35

• syntax error

• out of bounds error