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Core java - Interview Questions and Answers for 'Sears' - 5 question(s) found - Order By Newest

Very frequently asked. Usually asked with questions related to String.
  Q1. What is an Immutable Object ?Core Java
Anonymous
Ans. Object that can't be changed after instantiation.

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Frequently asked in face to face interviews.
  Q2. Write a program to print fibonacci series.Core Java

Ans. int count = 15;
int[] fibonacci = new int[count];
fibonacci[0] = 0;
fibonacci[1] = 1;
for(int x=2; x < count; x++){
fibonacci[x] = fibonacci[x-1] + fibonacci[x-2];
}

for(int x=0; x< count; x++){
System.out.print(fibonacci[x] + " ");
}

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Frequently asked to Fresh graduates.
 Q3. Write a program to implement Binary search ?Core Java2016-10-18 10:49:58

Ans. http://algs4.cs.princeton.edu/11model/BinarySearch.java.html

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 Q4. Write a Program to print factorial of a number using recursionCore Java2017-01-29 17:47:20

Ans. public class BuggyBread {
public static void main(String args[]) {
System.out.println(factorial(5));
}

private static int factorial(int number){
if(number == 1){
return 1;
} else {
return number * factorial(number - 1);
}
}
}

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 Q5. Binary Search requires that the collection should beAlgorithm
a. Sorted in Ascending Order
b. Sorted in Descending Order
c. Sorted in any Order
d. Unsorted

Ans.c. Sorted in any Order



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