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Core java - Interview Questions and Answers for 'Odessa technologies' - 2 question(s) found - Order By Newest

Usually asked to entry level software developers.
  Q1. Write a program to swap two variables without using thirdCore Java2017-01-19 15:38:34

Ans. public static void main(String[] args) {
   int num1 = 1;   
   int num2 = 2;
   num1 = num1^num2;
   num2 = num1^num2;
   num1 = num1^num2;
   System.out.print("num1 = " + num1 +", num2 = "+num2);
}

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

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 Q2. Write a Program to find age by birth date ?Core Java2017-07-05 11:56:03

Ans. LocalDate today = LocalDate.now();
LocalDate birthday = LocalDate.of(1960, Month.JANUARY, 1);
Period p = Period.between(birthday, today); //Now access the values as below
System.out.println(period.getDays());
System.out.println(period.getMonths());
System.out.println(period.getYears());

  Sample Code for LocalDate

  Sample Code for Period

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

   Like      Discuss      Correct / Improve     coding  code  date  LocalDate  Period     Odessa Technologies


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