Programming Interview Questions For Testers(Experience Level 0-3 Years) Set 1

Write a program of sorting array without using a collection.

Write a  Program to reverse a string without using String inbuilt function.

Write a program to find the Factorial of a number using recursion.

Write a  Program to find whether a number is prime or not.

 Write a  Program to find whether a string or number is palindrome or not.

Write a Program for the Fibonacci series.

Write a  program for the Armstrong Number.

Write a  Program to find the duplicate characters in a string.

Write a  Program to Find the second-highest number in an array.

Write a  Program to Find the occurrence of Character in String.

Write a Program to Find the pairs of two-element of the array is 10.[8,2,7,6,3.5,4,2]

Write a Program to Find Duplicate String from an array

Write a Program to Find the second maximum value of a three-digit number.

Write a Program to push all zeros in last places- int [ ] Array={2,5,0,4,2,0,0,7,1,9,4}.

Write a program to find the missing number in given Array of sequential series, series length could be large too, Example-int [ ] array={1,2,4,5};

How to convert LinkedList to ArrayList?

How to convert HashSet to ArrayList(List) ?

How to sort ArrayList in Descending order?

Write a java program to implement Insertion sort?

Write a java program to implement a selection sort?

Write a java program to implement Bubble sort?