Category: java Advanced Interview questions

Achieving task ordering with the Executor framework can be done in a few ways: Using a SingleThreadExecutor: If you create an instance of SingleThreadExecutor, it will execute tasks sequentially in…

Thread locking is used to control access to shared resources to ensure that only one thread can access the resource at a time. There are several types of thread locking…

What is the Java Executor Framework? The Java Executor Framework is a set of interfaces and classes in Java that simplify the task of writing concurrent code. It provides a…

Java 8 introduced the Stream API, which allows you to perform functional-style operations on collections of data. Here are some examples of using the Stream API: 1. Filtering a list…

Java is a programming language and computing platform first released by Sun Microsystems in 1995

1. What are nested classes in java? Class declared with in another class is defined as nested class.There are two types of nested classes in java.1) Static nested class :…

We can implement a custom class that behaves like an array by creating a class that has an array as a private field, and implements the necessary methods to access…

What is the difference between an interface and an abstract class in Java? In Java, an interface and an abstract class are both used to define a contract for classes…

In Java, a String is an immutable object that represents a sequence of characters. It means once a String is created, its value cannot be changed, any operation that appears…

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…