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Interview Questions and Answers for 'Rubicon' - 2 question(s) found - Order By Newest

 Q1. Write a program to print the index of the first non repeated character in a java stringCore Java2017-01-27 18:30:21

Ans. public class BuggyBread1{
public static void main (String args[]) {
   String str = "hheello world";
   char[] charArray = str.toCharArray();
   char selectedChar = 'a';
   for(char char1: charArray){
      if(!str.contains(Character.toString(char1).concat(Character.toString(char1)))){
         selectedChar = char1;
         break;
      }
   }
   System.out.println(str.indexOf(Character.toString(selectedChar)));
}
}

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 What is the difference between following two segments of code

Code 1

int x = 4 * 3;
int y = x * 5;

Code 2

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 What is the following code doing ?

private static final String[] COLORS = new String[] { "Red", "Green", "Blue" };


 Q2. Scale yourself on Java on the scale of 1 to 10General2017-01-11 15:48:29

Ans. [Open Ended Answer]

The objective of the question is to check how efficient one is in the language so that appropriate level questions are asked. Don't tell too high number if you are being interviewed for a junior or mid level position as the interviewer may throw advance level questions.

 Help us improve. Please let us know the company, where you were asked this question :   

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