## With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

No credit card required

### Exam Prep Practice Questions

 Question 1 A method to compute the sum of all elements in an array of int is needed. The following proposed method is incomplete: ```1. public int total( int[] x ){ 2. int i, t = 0 ; 3. -select statement to go here 4. { t += x[ i++ ] ; 5. } 6. return t ; 7. } ``` What is the correct statement for line 3? A. for( int i = 0 ; i < x.length ; )B. for( i = 0 ; i < x.length ; )C. for( i = 0 ; i < x.length ; i++ )D. for( i = 1 ; i <= x.length ; i++ ) A1: Answer B is correct. It avoids the errors of the other options. Answer A results in a compiler error because i is already declared in line 2. Therefore, answer A is incorrect. Answer C is incorrect because the loop counter i is incremented twice, thus skipping alternating array ...

## With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

No credit card required