The Java LocalDate class can represent dates, with methods to get today’s date, add/subtract days/weeks/years to calculate future or past dates, and print the results. Manipulating dates is straightforward with LocalDate’s intuitive API. Here is a 4 line summary of how to print future and past dates using LocalDate in Java: Java Program
One of the frequently asked Java interview questions is how to reverse the words in a sentence. In this tutorial, we will explore how to reverse the words in a sentence using Java. Reversing the words in a sentence means changing the order of the words so that the last word becomes the first, the second last word becomes the […]
In this tutorial, we will discuss How to Shuffle Arrays Using Java Collections. This Java Interview question is asked to check your knowledge of collections and array concepts. To shuffle an array in Java using collections, you can follow these steps: Java program output:
In this tutorial, we’ll explore a Java program for counting digits, letters, whitespace, and special characters in a string. This common interview question tests your Java expertise, particularly in string manipulation. Let’s dive in to strengthen your skills. This guide aims to provide practical insights into tackling such challenges, reinforcing essential Java concepts. Whether preparing for interviews or enhancing Java […]
In this tutorials, we will discuss on the Java Program to Print Star Pattern (Right Triangle) which is one of the most commonly asked interview question. Whether you are freshers or an experience, this Java programs is asked quit often to test you basic understanding of loops concepts i.e. for loop and interviewer can check how good you are in […]
In this tutorial, we will discuss the Java program to swap elements based on their positions or indices. Whether you’re a coding newbie or a pro, you’ll dig the simple step-by-step guide. This question will be asked in the Java Interview and we got you covered as below tutorials: Steps: Java Program: Output:
In this tutorial, we will learn how to find the index of a specific element in an array using Java. These questions will be asked in the Java Interview and here we have provided detailed tutorials on how to find the Array index of a specific element. Steps: Java Program to Find the Index of a Specific Element in an […]
Suppose you are in the Java Interview and were asked to write a Java program determining the number of Uppercase letters or characters in a String. How could you answer this question or what could be your approach to solving this Java program? Well, one of the approaches we will discuss in this tutorial. Steps Java Program To Find the […]
In the Java interview, one of the most commonly asked interview questions is to write a Java program to count the number of occurrences of a specific character in a String. If you prepare well in advance, you can quickly and confidently answer or write this Java program to qualify for the upcoming interviews. Steps: Java Program: Output:
One of the commonly asked Java Interview Questions is how to remove all duplicates from an ArrayList. We will use Set to remove the duplicate values and then pass that HashSet to the ArrayList without duplicate values. Step 1: Initialized the ArrayList with duplicate values Step 2: Initialized the Set and passed duplicate values in the HashSet constructor Step 3: […]
Java Programs on String are commonly asked interview questions. In this article, we will discuss – how to reverse a String in Java without using an in-built function. Step 1: First, we will convert the String to a char[] array using String function – toCharArray() and store it in variable arr Step 2: Initialized an empty string i.e. null Step […]
In this tutorial, we will discuss a detailed step-by-step guide for swapping two numbers without using a third variable in Java. This is a commonly asked question in Java interviews and Automation Testing. Through this Java program, interviewers aim to evaluate your logical skills and knowledge of Java programming. Example: package TestAutomationCentral; public class SwapNumber { public static void main(String[] […]
STEP 1: Initial min and max values and set them to 0int min = 0, max = 0; STEP 2: Use for loop to iterate each element in the array for (int i = 0; i < arr.length; i++) STEP 3: Within the loop, write if and else if conditions to compare the current element values and set min/max with […]