Two Sum
Given an int array and an int target, return indices of the two numbers such that they add up to[…]
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Category: Java Programs
Write a Java program to find the second highest number in an integer array.
This program uses a simple iterative approach to traverse through the array, maintaining two variables max1 and max2. It compares[…]
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Implementation of Stack using ArrayList in Java
Stack follows LIFO ie., Last In First Out. In this data structure the elements are arranged in such a way[…]
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Find Middle Element in a Singly Linked List
Please go through Create a Singly Linked List in Java before proceeding further. We will use two ways to get the Middle[…]
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Implement Custom Doubly Linked List in Java
A Doubly Linked List is a collection of nodes in a linear sequence. Furthermore, each node also stores the below[…]
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Create a Singly Linked List in Java
A Singly Linked List is a collection of nodes in a linear sequence. Furthermore, each node stores two things: Data[…]
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Swapping of Two Numbers in Java
Related Article Simple Java Programs asked in Interviews
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Find Duplicate Characters in a String
Solution Steps Obtain char array from the input String Loop through the char array, check if the list(List<Character>) already contains[…]
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Find Unique Characters in the String
Solution Steps: Obtain char array from the input String Loop through the char array and add each char to a[…]
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Find Common Words between two Strings
In this article, we will write a Java program to find Common Words between two Strings. Solution Steps Split the[…]
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