Category: java8

Lambdas in Java are compiled into anonymous inner classes. The Java compiler generates an anonymous inner class for each lambda expression that you define in your code. This anonymous inner…

In Java 8, there are several new methods added to the java.nio.file.Files class that make it easier to read and write files using the new stream API. Here are some…

All of the below methods produce the same result of joining the elements of the List into a single String with space as a delimiter. Using Collectors.joining: In Java, you…

In the context of Java 8 streams, a pipeline refers to a sequence of operations that are performed on a stream. The pipeline is created by chaining together intermediate operations,…

In Java 8, streams use a technique called “lazy evaluation” to process data. Lazy evaluation means that a stream operation is not executed until it is absolutely necessary. This can…

In this post, we will see Java8 Streams Interview questions. What is the difference between a Stream and a Collection in Java 8 Stream represents a sequence of elements and…

In this post, we will learn about java8 method reference operator in Java Method Reference (:: Operator) “::” operator in Java 8 is known as the Method Reference operator Method…

We can convert Java String to Input with below approaches: Example1: String str = "Hello World!"; InputStream inputStream = new ByteArrayInputStream(str.getBytes()); Example 2 with UTF8: javaCopy codeString str = "Hello…

In this post, we will learn various ways of converting input stream to String In this example, we will see that InputStream will be converted to String using java8 streams…

In this post, we will see how to convert list of Users to employees in java8 way. In the following examples, we can use the below approaches: Using conversion function…