Sort Java HashMap by Value
Here in this example I will show you how to sort a HashMap by value. I will use comparator interface to sort the values in HashMap.
Java Coding
Posts tagged Java Coding
Check a String is a Pangram in Java
This example will show you what is a pangram and how to check a string is a pangram in Java program. A string is a pangram if it…
Find All Paths from Root to Leaf Nodes in Binary Tree using Java
In this example I am going to show you how to find all paths from root to leaf nodes in binary tree. So I am going to find…
Java To Find Common, Uncommon, Unique Elements In ArrayLists
Elements in ArrayList Here I am going to show you how to find common, uncommon, unique elements in two Lists or ArrayLists using Java program. In this program…
Merge Two String Arrays and Produce Unique Values using Java
Unique elements by merging arrays In this tutorial, I will show you how to merge string values from two arrays and produce the final array with unique string…
Find Closest Number from Array to the Given Number in Java
In this tutorial you will find closest number from array to the given number. Given an array of sorted integers, find the closest value to the given number.…
How to check or make a number palindrome in Java
Here we will create an example on how to check a given number is palindrome or not. We will also make the given number palindrome if it is…
How to find longest substring without repeating characters using Java
Introduction In this example we will see how to find longest substring from a given string without repeating characters using Java programming language. A given string when broken…
How to shuffle an ArrayList using Java
Introduction In this example we will see how to shuffle an ArrayList using Java programming language. We will use shuffle() method from Collections class to shuffle the ArrayList.…
Reverse A String Without Affecting Special Characters Using Java
String with special characters In this tutorial you will see how to reverse a string without affecting special characters using Java programming language. You will also see in…
