Learnitweb

• Java program to find first even integer in list of numbers
• Count duplicate elements in ArrayList in Java
• Remove a key value pair from HashMap while Iterating over it
• Convert Iterator to Stream in Java
• Convert Iterable to Stream in Java
• Java program to print the sum of all elements of an array
• Comparing Arrays for equality in Java
• Java program to find duplicate characters in a String
• Compare two HashMap in Java
• Java program to convert String to boolean
• Write a java program to find common elements between two arrays?
• Java program to check whether an alphabet is vowel or consonant
• Java program to get sum of all digits of a number in Java
• Write a Java program to demonstrate deadlock
• Remove white spaces from String in Java
• Write Java program to print Fibonacci series
• How to remove duplicates from ArrayList?
• Java Program to swap two numbers without using a third variable(method 1).
• Java Program to find second largest number in Array
• Java program to reverse a string without String class’s reverse() function.
• Java program to reverse an array
• Java program to check if two strings are anagram
• Java Program to Check if a String is Palindrome
• Java Program to Reverse a Number
• Java program to separate odd and even numbers in a list of integers
• Find the frequency of each character in a string using Java 8 streams
• Find the frequency of each element in an array or a list
• Sort a given list of decimals in reverse order in java 8
• Java program to print the numbers from a given list of integers that are multiples of 5
• Java 8 program to find the maximum and minimum of a list of integers
• Merge two unsorted arrays into a single sorted array using Java 8 streams
• Java program to find the second largest number in an integer array
• Java program to sort a list of strings according to the increasing order of their length
• Java program to find the common elements between two arrays
• Java Program reverse each word in a String
• Java Program to find the most repeated element in an array
• Java program to filter Strings that start with a number
• Java program to find duplicate elements in an array
• Java program to find duplicate characters in a String
• Java Program to find the first repeated character in a String
• Java program to find the first non-repeated character in a string
• Java program to calculate the age of a person in years given their birthday

Stream programming questions

• Java Stream program to find all even numbers from a list
• Java Stream program to convert a list of strings to uppercase
• Java Stream program to find the sum of all numbers in a list
• Java Stream program to find the maximum number in a list
• Java Stream program to find the minimum number in a list
• Java Stream program to count Strings Starting with a Specific Letter
• Java Stream program to Remove Duplicate Elements from a List
• Sort a List in Ascending Order
• Sort a List in Descending Order
• Find the First Element of a List
• Check if Any Element Matches a Condition
• Check if All Elements Match a Condition
• Check if No Elements Match a Condition
• Join a List of Strings into a Comma-Separated String
• Find the Average of a List of Numbers
• Sum a List of Numbers
• Flatten a List of Lists
• Filter a List of Strings Based on Length
• Generate Random Numbers
• Partition a List into Even and Odd Numbers
• Finding the Second-Largest Number in a List Using Java Streams
• Count the Frequency of Each Element in a List
• Find the Longest String in a List
• Find the Shortest String in a List
• Sort a List of Objects by a Field
• Sort a List of Objects by Multiple Fields
• Merge Two Lists Using Streams
• Remove Duplicates from a List by Field in Java
• Count Words in a String Using Java Streams
• Reverse a List in Java
• Create an Infinite Stream and Limit Output in Java
• Count Word Frequency in a Paragraph Using Java Streams
• Find the Oldest Person in a List Using Java Streams
• Group Employees by Department Using Java Streams
• Group Employees by Department and Count Using Java Streams
• Find Duplicate Elements in a List Using Java Streams
• Find Element with Maximum Frequency in a List Using Java Streams
• Get the Last Element of a List in Java
• Check if a List is Sorted in Java
• Convert a List of Integers to a Comma-Separated String in Java
• Get Prime Numbers from a List Using Java Streams
• Generate Fibonacci Numbers Using Java Streams
• Find Maximum Element Using reduce() in Java
• Sort a Map by Values Using Java Streams
• Find Intersection of Two Lists Using Java Streams
• Find Union of Two Lists Using Java Streams
• Find Difference Between Two Lists Using Java Streams
• Create a Map of Department to Highest-Paid Employee Using Streams

Leetcode questions

1. Merge Sorted Array
2. Merge Two Sorted Lists in Java
3. Rearrange Sorted Array in Max/Min Form
4. Two Sum Problem
5. Container with most water problem
6. Maximum Subarray
7. Decode ways
8. Symmetric Tree
9. Best time to buy and sell stock
10. Clone Graph
11. Happy Number
12. Move Zeroes
13. Group anagrams
14. Counting Elements
15. Middle of the Linked List
16. Backspace String Compare
17. Min Stack
18. Diameter of Binary Tree
19. Last Stone Weight
20. Contiguous Array
21. Product of Array Except Self
22. Valid Parenthesis String
23. Number of Islands
24. Minimum Path Sum
25. Search in Rotated Sorted Array
26. Leftmost Column with at Least a One