Which method do we use to take user input in Java? In this article, we will discuss How we can take user input in Java, and also we will see How to take input from the Command Line Argument. Taking input from the user is an important task in any programming language. Here, the input …
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File and Folder path operations in java. Many time while working with java we need to access the path of a file or the path of any folder so in this complete tutorial will see some examples to play with the system path. Let’s see examples one by one. How to read folder name of …
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Equals method in Java equals() is a method of Object class. Used to compare two objects or two String literals in Java. It returns boolean true or false. When we need to compare two objects we need to Override the equals() method in Java. Let’s take an example where we are going to compare two …
toString() method in Java. toString() is a method of Object class. an Object is a superclass of every class in Java. toString() method returns the string representation of the object. Sometimes we need to override toString() method. so the question is that why we need to override the toString() method in Java. Let’s try to …
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Java StringBuffer class is a mutable class in java. It means We can change the string when we are going to use StringBuffer class in Java. StringBuffer is same as String class only the difference is it can be modified. Example: public class Main { public static void main(String args[]) { StringBuffer sb = new …
String class in java and its methods. A string is a class from lang package. Which is public and final class extends Object class and implements Serializable, Comparable<String>, CharSequence interface. String Class in Java is immutable class. It means once you create an object of String class. It will not be modified read more about immutable String. Some …
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Java string is a class. which is a class of “lang” package. before String class, we need to discuss what is a string in java. so in this tutorial, we are going to focus on everything about java string and java interview questions and answers. What is String In Java, String is a sequence of …
java string with example and java interview questions and answers. Read More »
If you developing any kind of application using Java. So there are lots of chances to get an exception in your application. To write code exception free and make a standard flow of code java provide a very strong mechanism called Exception handling. So in this tutorial, we are going to focus on what is Exception handling …
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As we discussed in the previous tutorials what is oops concept like. classes and object, inheritance, polymorphism, encapsulation, abstraction in java. In this tutorial, we will focus on constructor in java but before the start, If you are new to java please have a look at class and object tutorial. What is the constructor in …
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One the most important oops concept is the polymorphism. polymorphism means the same name or interfaces with multiple forms. So what is the polymorphism in Java, what is the use of polymorphism in java? how to achieve this in Java and at the end we will discuss some interview questions and answers based on polymorphism in java. …
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