Java Questions and Answers fre is an Android app developed by Tortoises Inc. It is a free education and reference app that provides 1000+ multiple-choice questions for anyone preparing for the Oracle Certified Associate exam or those who want to become a Java Developer. The app covers various topics such as Introduction to Java, Language Fundamentals, Statements, Objects and Classes, Core Classes, Arrays, Inheritance, Error Handling, Working with Numbers, Interfaces, and Abstract Classes, among others.

Java Questions and Answers fre features a timer that starts when you begin the quiz, five different quiz models, and the ability to check previous questions. The app also provides instant answers for each question, allowing you to review and learn from your mistakes. The app can be used anywhere and anytime, even without an internet connection.

It is important to note that this app is not affiliated with or endorsed by Oracle America Inc., and JAVA is a trademark of Oracle America Inc. Overall, Java Questions and Answers fre is a useful app for anyone looking to test their Java knowledge and improve their skills.