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Round 4 F2F: Problem Solving 1. Let's talk about Exceptions. What are exceptions and which exceptions you've actively used so far? 2. An ArrayIndexOutOfBound Exception has happened. How would you solve it? 3. If you're not allowed to touch the '<=' operator for ArrayIndexOutOfBound, what will you do to solve it? 4. What are checked and unchecked exceptions? 5. Given an array arr[] = {6, 0, -4, 4, 8}. Irrespective of the signs for the given integers. Find the count of unique values. The array may grow further. Ans: public static void main(String[] args) { int arr[] = {-6, 0, -4, 4, 8}; int len = arr.length; Set<Integer> mySet = new HashSet<Integer>(); for(int i=0; i<len; i++) { mySet.add(Math.abs(arr[i])); } System.out.println(mySet.size()); } 6. Why Visa?
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Senior QA Engineer

Interviewed at Visa Inc.

3.8★
Oct 20, 2018

Round 4 F2F: Problem Solving 1. Let's talk about Exceptions. What are exceptions and which exceptions you've actively used so far? 2. An ArrayIndexOutOfBound Exception has happened. How would you solve it? 3. If you're not allowed to touch the '<=' operator for ArrayIndexOutOfBound, what will you do to solve it? 4. What are checked and unchecked exceptions? 5. Given an array arr[] = {6, 0, -4, 4, 8}. Irrespective of the signs for the given integers. Find the count of unique values. The array may grow further. Ans: public static void main(String[] args) { int arr[] = {-6, 0, -4, 4, 8}; int len = arr.length; Set<Integer> mySet = new HashSet<Integer>(); for(int i=0; i<len; i++) { mySet.add(Math.abs(arr[i])); } System.out.println(mySet.size()); } 6. Why Visa?

Here are some of the questions that were asked: Java Program to reverse each String in a sentence = " Today is a Happy Day" , Output should be : " yadoT si a yppaH yaD". - Java program - if String= " ABC DEF" , output should be : A D B E C F - Questions on TestNG and the workflows, the order of execution with some scenarios - Why Web services and few questions on REST - what is the process followed in your project- say suppose we get any new requirements and then....??? Explain - Java - String, String Buffer, String Builder - Suppose String A= "ABCD", then A+test - does this give compile error. How string is immutable - Explain on Agile. Why Agile is better than Waterfall - Questions on Unix & SQL - Click on a button and nothing happens - what do you verify to debug - Gave a scenario and asked to identify the optimum scenarios.
avatar

Senior QA Analyst

Interviewed at Visa Inc.

3.8★
Apr 15, 2015

Here are some of the questions that were asked: Java Program to reverse each String in a sentence = " Today is a Happy Day" , Output should be : " yadoT si a yppaH yaD". - Java program - if String= " ABC DEF" , output should be : A D B E C F - Questions on TestNG and the workflows, the order of execution with some scenarios - Why Web services and few questions on REST - what is the process followed in your project- say suppose we get any new requirements and then....??? Explain - Java - String, String Buffer, String Builder - Suppose String A= "ABCD", then A+test - does this give compile error. How string is immutable - Explain on Agile. Why Agile is better than Waterfall - Questions on Unix & SQL - Click on a button and nothing happens - what do you verify to debug - Gave a scenario and asked to identify the optimum scenarios.

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