Java Discover is a Java technical blog mainly created for sharing our thoughts and programming question to the world of Java Programmers..
You are given a map in the form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid cells are connected horizontally/vertically (not diagonally). The grid is completely surrounded by...
Returns the ordinal of this enumeration constant (its position in its enum declaration, where the initial constant is assigned an ordinal of zero). For example, let's have weekdays in an enum starting from Monday,...
Find the Occurrences Of Each Character In a String without using collection. Here we are going to create simple array to store the character occurrence. If we look at ASCII value of each character...
Write a program to find the longest sub-sequence palindrome from the given string by using dynamic programming. For example Input String : ABCDQRDC Longest sub-sequence palindrome: 5 So let's see how we will solve and...
Reverse words in a given String using recursion. We need to reverse words by words in a given line and not the character in a given string. We need to solve this by using...
Given a NxN matrix and need to rotate by clockwise as given below Examples: Let's see simple java code to rotate given NxN matrix. public class MatrixRotate { private int prev, curr; public static...
