URL: https://www.progressiverobot.com/java-listiterator/ As we know Java has four cursors: Enumeration, Iterator, ListIterator, and Spliterator. We have already discussed Enumeration and Iterator cursors in my previous post. Before going through this post, please go through my previous post at: [Java Iterator](/community/tutorials/java-iterator). In this post, we will discuss about third Java cursor: ListIterator. Java ListIterator Like Iterator, […]
URL: https://www.progressiverobot.com/java-threadlocal-example/ Java ThreadLocal is used to create thread local variables. We know that all threads of an Object share it's variables, so the variable is not thread safe. We can use synchronization for thread safety but if we want to avoid synchronization, we can use ThreadLocal variables. Java ThreadLocal  Every thread […]
URL: https://www.progressiverobot.com/java-windows-10-download-install/ Today we will learn how to download and install Java on Windows 10. If you are new to Java programming then this is the first step you need to perform. Until unless your java Windows 10 environment is set up properly, you will not be able to develop Java programs and run them […]
URL: https://www.progressiverobot.com/mockito-verify/ Mockito Verify methods are used to check that certain behavior happened. We can use Mockito verify methods at the end of the testing method code to make sure that specified methods are called. Mockito Verify Mockito verify() method can be used to test number of method invocations too. We can test exact number […]
Learn about Java’s `java.util.List` interface! Discover how it allows you to group and store multiple elements in a collection, and its advanced options for storing and retrieving values.
The Devise gem is an authentication solution for Rails applications. The Devise gem provides many useful features for implementing user authentication in your Rails applications, such as handling user sessions and adding support for OAuth using the OmniAuth gem. In this tutorial, you will create a minimal web application with Rails and install Devise, which will allow users to create accounts, sign in, and sign out from their accounts.
When you find yourself copying and pasting blocks of code to reuse in different sections of your program, you’re ready to write a function. In this tutorial, you will work with all the different pieces of a function: user-defined functions, arguments, parameters, default values, and passing by reference. We’ll discuss scope, which lets you manipulate the specific section of your code that needs to change. Finally we’ll take a look at the various built-in functions provided by PHP.
Escrever um código flexível, reutilizável e modular é vital para o desenvolvimento de programas versáteis. Trabalhar dessa maneira garante que o código seja mais fácil de manter, evitando assim a necessidade de fazer a mesma mudança em vários locais. A maneira de se conseguir…
Chain of responsibility design pattern is one of the behavioral design pattern. Chain of Responsibility Design Pattern  Chain of responsibility pattern is used to achieve loose coupling in software design where a request from client is passed to […]
![[Fixed] Bad CPU type in executable - Installing Java on MacBook — step-by-step Programming tutorial on Progressive Robot](https://www.progressiverobot.com/wp-content/uploads/2026/05/bad-cpu-type-in-executable-fixed-72612-featured.png "[Fixed] Bad CPU type in executable - Installing Java on MacBook 10")
I got new MacBook Air M1 recently and first thing I wanted to install there was Java. So, I downloaded OpenJDK tar file, extracted it and tried to run "java -version" command and it threw the error: -bash: ./java: Bad CPU type in executable This was something new to me, I have worked on Java […]
