Author: misamaliraza94
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Java Generics
In this tutorial, we will learn about Java Generics, how to create generics class and methods and its advantages with the help of examples. The Java Generics allows us to create a single class, interface, and method that can be used with different types of data (objects). This helps us to reuse our code. Note: Generics does…
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Lambda Expressions
In this article, we will learn about Java lambda expression and the use of lambda expression with functional interfaces, generic functional interface, and stream API with the help of examples. The lambda expression was introduced first time in Java 8. Its main objective to increase the expressive power of the language. But, before getting into…
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Auto boxing and unboxing
In this tutorial, we will learn about Java autoboxing and unboxing with the help of examples. Java Autoboxing – Primitive Type to Wrapper Object In autoboxing, the Java compiler automatically converts primitive types into their corresponding wrapper class objects. For example, Autoboxing has a great advantage while working with Java collections. Example 1: Java Autoboxing Output In…
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Type Casting
In this tutorial, we will learn about the Java Type Casting and its types with the help of examples. Before you learn about Java Type Casting, make sure you know about Java Data Types. Type Casting The process of converting the value of one data type (int, float, double, etc.) to another data type is known as typecasting. In…
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File Writer Class
In this tutorial, we will learn about Java FileWriter and its methods with the help of examples. The FileWriter class of the java.io package can be used to write data (in characters) to files. It extends the OutputStreamWriter class. Before you learn more about FileWriter, make sure to know about Java File. Create a FileWriter In order to create a file writer, we…
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File Reader Class
In this tutorial, we will learn about Java FileReader and its methods with the help of examples. The FileReader class of the java.io package can be used to read data (in characters) from files. It extends the InputSreamReader class. Before you learn about FileReader, make sure you know about the Java File. Create a FileReader In order to create a file reader, we…
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Output Stream Writer Class
In this tutorial, we will learn about Java OutputStreamWriter and its methods with the help of examples. The OutputStreamWriter class of the java.io package can be used to convert data in character form into data in bytes form. It extends the abstract class Writer. The OutputStreamWriter class works with other output streams. It is also known as a bridge between byte streams…
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Input Stream Reader Class
In this tutorial, we will learn about Java InputStreamReader and its methods with the help of examples. The InputStreamReader class of the java.io package can be used to convert data in bytes into data in characters. It extends the abstract class Reader. The InputStreamReader class works with other input streams. It is also known as a bridge between byte streams and character…
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Writer Class
In this tutorial, we will learn about Java Writer, its subclasses and its methods with the help of an example. The Writer class of the java.io package is an abstract superclass that represents a stream of characters. Since Writer is an abstract class, it is not useful by itself. However, its subclasses can be used to write data. Subclasses of Writer…
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Reader Class
In this tutorial, we will learn about Java Reader, its subclasses and its methods with the help of an example. The Reader class of the java.io package is an abstract superclass that represents a stream of characters. Since Reader is an abstract class, it is not useful by itself. However, its subclasses can be used to read data. Subclasses of Reader…