In this article, we will learn to check if the string contains any character in the given set of characters in Java. We will iterate over the string and compare each character to a set of characters that we want to search for. If any match is found, the program ... Read More

In this article, we will learn how to adjust a LocalDate object to find the first day of the month in Java. The program demonstrates how to take a given date and use the TemporalAdjusters class to easily get the first day of that month. This functionality is useful in ... Read More

return statement The C++ return statement terminates the execution of function and it returns the control to the calling function. It calls the constructor as well as the destructor. It returns an integer value for “int main()”. The following is the syntax of return statement. return expression; Here, expression − ... Read More

In Java, handling strings with quotes can be managed by checking and manipulating the string’s start and end. This example demonstrates how to remove double quotes from both the beginning and end of a string. Problem Statement Given a string enclosed in double quotes, write a Java program to remove ... Read More

In this article, we will add integers and check for overflow using Java. To check for Integer overflow, we need to check the Integer.MAX_VALUE with the added integers result. Here, Integer.MAX_VALUE is the maximum value of an integer in Java. Let us see an example wherein integers are added and ... Read More

In this article, we will learn to remove a character from a string at a specified position using Java. We will use the substring() method to achieve this by splitting the string before and after the character we want to remove, then combining the two parts Problem Statement Write a ... Read More

In this article, we will learn to find whether a given character is a vowel or consonant using Java. In the English alphabet, the characters 'a', 'e', 'i', 'o', and 'u' are vowels and the remaining letters are consonants. To find whether the given letter is a vowel or consonant. Using ... Read More

In this article, we will learn to implement insertion sort in Java. The insertion sort is an in-place comparison-based sorting algorithm. Here, a sub-list is maintained which is always sorted. For example, the lower part of an array is maintained to be sorted. An element to be inserted in this ... Read More

In this article, we will learn to convert a date object to an Instant object in Java. The Instant class represents a specific moment on the timeline, often used for precise time calculations. We'll use the toInstant() method provided by the Date class to achieve this conversion Problem Statement Write ... Read More

In this article, we will write a Java program to create a HashMap and add key-value pairs. We will be using the HashMap class we can import HashMap class form java.util package. A HashMap is a collection that stores data in the form of key-value pairs, allowing quick retrieval of ... Read More