Java Practice exam UPDATED ACTUAL Exam Questions and CORRECT Answers

Java Practice exam UPDATED ACTUAL Exam Questions and
CORRECT Answers


What is output by the code below?


int[] array = {5,10,3,6,9,15};



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



{



array[i]=array[array.length-i-2];


}



System.out.println(array[0]); - 9



What is output by the code below?



String[] ray = {"abc","ade","123","234","678"};


System.out.println(ray[ray.length-2]); - 234



What is output by the code below?



String[] ray = {"abc","ade","123","234","678"};

,System.out.println(ray[3].substring(0,2) + ray[4].charAt(1)); - 237



What is output by the code below?


String[] ray = {"abc","ade","123","234","678"};



System.out.println(ray[1].charAt(2)); - e



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[9]); - 18



What is returned by method bot given the call shown below?



//client code in the runner or main method


int[] sRay = {9,9,7,1,2,3,4,5,6,2,2,3,7,3};

, System.out.println( bot(sRay) );



//method bot


public static int bot( int[] ray )



{



int stuff = 0;



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


if(ray[i] % 2 == 0)



stuff = stuff + ray[i];



return stuff;


} - 16



What is output by the code below?



int t = 1, amount = 0;

do{

amount = amount = 2;
t = t + 2;