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…
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…
Insert data from the single page into multiple tables is a tricky task. But using JDBC in this tutorial we will solve it in an easy So if you don’t know how to perform JDBC…
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…
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…
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…
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…
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,…
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…
In this tutorial, we will discuss on Java encapsulation and at the end, we will focus on interview questions and answers with some practical examples. We trying to present Java concept in the very easy way…