In this post, I will be sharing how to delete the last character from StringBuilder. In other words, how to remove the last character from the StringBuilder object. There are two ways to ach… Read More

In this post, I will be sharing how to convert BigInteger to Integer/int in Java. There are two ways to achieve our goal:1. Using BigInteger class intValue() method2. Using BigInteger class… Read More

If you are looking for the Java developer's average salary in the United States, then you have landed in the right place. The average salary of an entry-level Java developer in the United St… Read More

In this post, I will be sharing how to convert Map to Set in Java. There are two ways to achieve our goal of converting Map to Set in Java:1. Using the HashSet class constructor2. Using Stre… Read More

In this post, I will be sharing how to append text to the start/front of the StringBuilder object. I will share examples of how to insert or add or prepend text at the beginning of the Strin… Read More

In this post, I will be sharing how to convert BigDecimal to BigInteger in Java. We can achieve our goal in the following ways:1. Using BigDecimal class toBigInteger() method [Recommended]2… Read More

In this post, I will be sharing how to check if an ArrayList is empty or not in Java. There are two ways to achieve our goal:1. Using ArrayList class isEmpty() method2. Using ArrayList class… Read More

In this tutorial, I will be sharing how to append Collection elements to ArrayList or use the addAll(Collection c) method of java.util.ArrayList class. I have already shared how to add an el… Read More

In this post, I will be sharing how to add an element at the specified index in ArrayList with examples. I have already shared how to add an element at the end of the list in java by using a… Read More

In this post, I will be sharing how to add an element or object to ArrayList. We can easily achieve our goal by using add() method of the java.util.ArrayList class. According to Java docs, t… Read More

In this post, I will be sharing 5 different ways to iterate or loop over ArrayList in Java. I have already shared how to sort an ArrayList and how to reverse the ArrayList in Java. To make t… Read More

In this post, I will be sharing how to check if StringBuilder is empty or not in Java. There are two ways to achieve our goal:1. Using the StringBuilder class length() method2. Using String… Read More

In this post, I will be sharing the top 10 Java main method interview questions with answers for both freshers and experienced. If you are 2 or 3 years of experience, then you might get inte… Read More

In this post, I will be sharing how to convert Integer to BigInteger in Java. There are two ways to achieve our goal:1. Using BigInteger class valueOf() method2. Using BigDecimal class toBig… Read More

In this post, I will be sharing how to convert double to BigDecimal in Java with examples. There are two ways to achieve our goal:1. Using BigDecimal.valueOf() method [Recommended]2. Using t… Read More

In this post, I will be sharing how to fix the syntax error on token ",", { expected after this token error in Java. It is a compile-time error. As the name suggests, this error is syntax-ba… Read More

In this post, I will be sharing how to check if a character is a letter/number in Java. There are two ways to achieve our goal using built-in Java methods:1. Using isDigit() method2. Using i… Read More

In this post, I will be sharing how to initialize empty collection in Java. The java.util.Collections class provide utility methods such as emptyList(), emptySet(), and emptyMap() and three… Read More

In this post, I will be sharing how to convert String to BigInteger in Java. According to Oracle docs, the BigInteger class is commonly used for working with large numerical values. There ar… Read More

In this post, I will be sharing what does ^ mean in Java with examples. ^ is also known as bitwise exclusive OR or XOR operator in Java.Read Also: What does ? mean in Java with examplesBitwi… Read More

In this post, I will be sharing how to implement infinity in Java. We will implement double positive infinity, double negative infinity, float positive infinity, float negative infinity, ope… Read More

In this post, I will be sharing what does ? mean in Java programming. We can use the "?" in the following ways in Java:1. Ternary operator2. Wildcard in genericsRead Also: What does colon(:)… Read More

In this post, I will be sharing how to fix java.lang.IndexOutOfBoundsException in Java. According to Oracle docs, IndexOutOfBoundsException is a subclass of RuntimeException. It is an unchec… Read More

In this post, I will be sharing how to convert BigDecimal to Integer in Java. There are three ways to achieve our goal: 1. Using intValueExact() [Recommended]2. Using intValue()3. Using toBi… Read More

In this post, I will be sharing how to convert BigDecimal to Double in Java with examples. We can achieve our goal using BigDecimal class doubleValue() method. Let's dive deep into the topic… Read More

In this post, we will learn about what does a colon means in Java programming. The colon operator can be used in various ways in Java as mentioned below:1. Enhanced for loops (for-each loop)… Read More

In this post, I will be sharing how to get the second last digit of a number in Java with examples. There are two ways to achieve our goal:1. Using modulo operator2. Using String class charA… Read More

The common technical interview question in java is to count the occurrence of a specific word in the string but what if the interviewer asks to count the total number of times each alphabet… Read More

In this post, I will be sharing about warning message java uses or overrides a deprecated api. recompile with -Xlint:deprecation for details. First, we will understand when do we get this wa… Read More

In this post, I will be sharing how to count the number of pages in PDF in Java. There are two ways through which we can achieve our goal:1. Using Apache PDFBox2. Using iTextRead Also: How t… Read More

In this tutorial, I will be sharing how to print tab space in Java. In Java, \t represents the escape sequence for the tab space. There are two ways to print tab space in Java:1. Using \t as… Read More

In this post, I will be sharing how to fix actual and formal argument lists differ in length error in Java. This error is a compilation error.First, we need to understand the difference betw… Read More

In this post, I will be sharing how to convert String to StringBuilder in Java. I have already shared the String interview questions and answers for freshers and experienced.There are two wa… Read More

In this post, I will be sharing how to convert Integer to int in Java. There are 3 ways to achieve our goal1. Using intValue() method2. Using parseInt() method3. Using assignment operator(Im… Read More

In this short post, I will be sharing how to convert Character to char in Java. We can achieve our goal by using Character's class charValue() method or using the assignment operator. Let's… Read More

In this short post, I will be sharing how to generate serialVersionUID in eclipse ide, IntelliJ IDEA, and using the built-in JDK command for serialization class in Java. Let's dive deep into… Read More

In this short post, I will be sharing how to generate serialVersionUID in Intellij Idea. In IntelliJ Idea, we need to manually enable the auto-generate serialVersionUID option. It is tested… Read More

In this short post, I will be sharing how to fix "integer number too large". This error is a compile-time error in Java. This error occurs when the java compiler tries to interpret the given… Read More

In this post I will be sharing how to fix incompatible types: int cannot be converted to int[] error. This error occurs at compile-time. As always, first, we will produce the error incompati… Read More

In this post, I will be sharing how to solve java orphaned case error in Java. This error is rare and mostly occurs when there is a code syntax mistake in the switch statement in the program… Read More

In this post, I will be sharing how to fix unclosed character literal error. It is a compile-time error. As always, first, we will produce the error unclosed character literal in Java before… Read More

In this post, I will be sharing how to fix unclosed string literal error in Java. As the name suggests, this error occurs when the string literal ends without quotation marks. A String class… Read More

Nim game in java is played between two players, here, it will be played between a person and a computer. The person chooses the number of elements at the start of the game. The computer can… Read More

In this post, I will be sharing how to check if an int is null in java. int is a primitive data type and Integer is a wrapper class in Java.Read Also:  How to convert int to Integer in… Read More

In this short post, we will learn about java.util.MissingFormatArgumentException in Java. Just like java.util.IllegalFormatConversionException, java.util.MissingFormatArgumentException is an… Read More

In this post, we will learn about java.util.IllegalFormatPrecisionException in Java. It is an Unchecked exception. It is thrown when the precision is a negative value other than -1, the conv… Read More

In this post, I will be sharing how to fix the error: empty character literal in Java. When we need to declare an empty char, usually, we use ' ' (empty single quotes) as a char. I have alre… Read More

In this tutorial, I will be sharing about the null character in java. char keyword represents a primitive data type. First, we will look into how to represent empty char in Java.Read Also:&n&hell…Read More

In this post, we will look into how to resolve java.util.IllegalFormatConversionException in Java. IllegalFormatConversionException is an Unchecked exception. It is thrown when the argument… Read More

In this post, we will learn about Spring cloud interview questions and answers for beginners as well as experienced professionals. Please bookmark this post, we will keep adding more questio… Read More

In this post, I will be sharing the difference between / and % in Java. Both / and % are operators in Java. In simple words, / and % are mathematical operators and both have different use ca… Read More

In this post, I will be sharing how to convert int to Integer in Java. The main difference between int and Integer is that int is a primitive data type whereas Integer is a wrapper class tha… Read More

In this post, I will be sharing how to convert char to Character in Java. The main difference between char and Character is that char is a primitive data type whereas Character is a wrapper… Read More

In this short tutorial, I will be sharing how to get (or extract) curl from Postman. Sometimes, we want to call the java webservice using curl command instead of calling via Postman. &n&hell…Read More

In this post, I will be sharing what does | operator mean in Java. According to Java docs, | (pronounced as a pipe) is a bitwise inclusive OR operator. It is a binary operator. If either of… Read More

In this post, I will be sharing how to initialize List of String in Java. There are six ways to achieve our goal:1. Using ArrayList 2. Using Java 8 Stream.of() 3. Using Java 9 List.of() 4. U… Read More

According to Oracle Java docs, ! is a unary operator. It is called a 'NOT' operator. It can be used to convert false to true or vice versa. By using this operator, the logical state of an op… Read More

In this post, I will be sharing the Java program to get the local IP Address and Hostname of the local computer.java.net.InetAddress class represents an Internet Protocol (IP) address in Jav… Read More

Are you worried about KimCartoon getting banned? Worry not, we have all your child’s needs covered right here.KimCartoon is the finest platform for streaming cartoons in HD quality for… Read More

In this post, I will be sharing how to get environment variable in Java. There are two ways to get environment variables:1. System.getenv(String variable) that returns specific environment v… Read More

In this post, I will be sharing how to screen capture in java using API. We will use java.awt.Robot class object to capture the coordinate system. Based on the coordinates we will construct… Read More

In this post, I will be sharing the most frequently asked java interview questions for 5 to 6 years experienced. I have covered the questions from topics such as Java 8, Serialization, Desig… Read More

In this post, I will be sharing how to convert ASCII to equivalent String values in Java. There are two ways to achieve our goal.1. Using Character.toString() [Recommended]2. Using String.va… Read More

In this tutorial, I will be sharing the java program to open a web page in Java. The program will open the given URL in the default browser. We have covered the Windows, Linux, and macOS ope… Read More

In this post, we will fix the error insert dimensions to complete referencetype. This error is a compile-time error. The root cause of this error is that you are passing a primitive data typ… Read More

The difference between HashMap and ConcurrentHashMap is one of the frequently asked questions in technical interviews of java. As we have already discussed another pet question of the interv… Read More

This article will solve the 'Read Also: How to make an empty list in PythonPython is a statically typed language, therefore, when it comes to string and integer, they are two distinct data t… Read More

In this post, I will be sharing the top 10 frequently used java packages. These packages are used in almost every java application. Here, we are using JDK 17 release as a reference to list i… Read More

In this post, we will learn what is the default value of boolean and boolean array in Java.In Java, the boolean keyword is used to declare the variable as a boolean type that can have only t… Read More

In this post, we will be learning about the percent sign in Java. In simple words, for positive numbers, modulus operator(%) means percent sign in the java programming language.Read Also: Wh… Read More

In this post, I will be sharing how to convert StringBuilder to String in Java. I have already shared the difference between String and StringBuilder in Java.There are two ways to convert St… Read More

In this post, I will be sharing how to make an empty list in Python. Lists are similar to arrays, declared in other programming languages. Lists in Python need not be homogeneous i.e. a sing… Read More

In this short tutorial, I will be sharing how to remove javaws.exe*32 on the windows operating system. First, we will see what is javaws.exe before moving on to the steps to get rid of it.Re… Read More

else without if error is mostly faced by the java beginners. As the name suggests java compiler is unable to find an if statement associated with your else statement. else statements do not… Read More

In this post, we will learn how to solve variable might not have been initialized error in Java. The main cause of this error is that you have declared the variable but forgot to initialize… Read More

In this article, we will solve the" modulenotfounderror:nomodulenamed'sklearn.cross_validation" error in Python. This is an error that occurs when using python libraries, but for this post… Read More

Are your anime shows on hold? Worry no more because we have the finest alternatives for 9Anime just for you! 9Anime has been a favorite for all anime viewers to date. It was a popular stream… Read More

You are given a list of length n+1 with a range of numbers from 1 to n where one of the numbers is repeated, you have to find the repeated number. This question is very similar to the find t… Read More

In this short post, I will be sharing how to remove white vertical line in eclipse editor. If you have just installed the eclipse then you might see the annoying vertical line in the editor… Read More

Undoubtedly, KissCartoon has been an excellent site for watching cartoons and motion pictures across the globe. Yet, it has its faults and issues that are leading to a degradation of quality… Read More

Different kinds of errors can occur when you are using your mail or browsing through the internet. These errors can be due to your hardware or some software that exists on your computer. One… Read More

9cartoon is a popular website that allows its users to watch many cartoons, TV shows, and movies.Apart from cartoons, the site has been a paradise for any anime-lover due to its fantastic co… Read More

We all need some rest after a long day at work or from your everyday life. The best way to spend leisure time is watching your favorite show or film. You can watch these shows and movies usi… Read More

In Java, we can define Array as a data structure or an object which contains elements of the same data types. Each element in an array is accessed using its index number. The size of the arr… Read More

In this article, we will handle Key error, which is an example of a runtime error; the syntax of the code can be working correctly, but during program execution, the program cannot handle it… Read More

In this blog, we will see how to solve "The system cannot find the path specified error" in Command Prompt/cmd/command-line interface.The above error can occur in three ways,1. Incorrect dir… Read More

In this post, I will be sharing what is an Isogram, examples of Isogram,and the isogram checker java program. There are three ways to achieve our goal:1. Using indexOf() and lastIndexOf() me… Read More

In this post, we will learn different ways to solve errorNo compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK. This error may occur during the Mave… Read More

In this article, we will explore different ways of printing an ArrayList in Java. Before that, we should know what is ArrayList and Why we need to use it in creating Java applications. You c… Read More

In this post, I will be sharing how to check if LinkedList is empty in Java. There are two ways to achieve our goal:1. Using isEmpty() method [Recommended]2. Using size() method Read Also: D… Read More

In this post, we have collected the most frequently asked Java interview programs for freshers. Please go through all the questions. These questions check your problem-solving and logical th… Read More

In this post, I will be sharing how to convert BigInteger to BigDecimal in Java. I have already shared how to convert Integer to BigDecimal in Java. Let's dive deep into the topic:Read Also:… Read More

In this post, I will be sharing how to convert Integer to BigDecimal in Java. There are two ways to achieve our goal: 1. Using valueOf() method [Recommended]2. Using ConstructorRead Also: Co… Read More

INTRODUCTION• There are many programming languages used for complex computations on the Internet today as we evolve in computing and technology. These complex computational resources we… Read More

In written exams or in the technical interview of Amazon, you can easily find this question. So in order to help you with the preparation of interview, we are answering this question in this… Read More

1. INTRODUCTION• Python is a popular programming language used for various projects such as Creating GUIs, Web application, Machine learning, deep learning and also commonly used for Da… Read More

Java is a general-purpose and popular programming language. This Java tutorial helps to learn the core java syllabus or topics and its concept.The core java tutorial covers industrial as wel… Read More

In this post, I will be sharing the Python equivalent of charAt() in Java. Every method that is defined in Java has its alternative in Python. Similarly, charAt() method in Java that is util… Read More

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In this post, I shall be sharing my notes of coding interview preparation for Java Developers. If you are about to give an interview for a Java developer in any of the MNC's like TCS, Infosy… Read More