это java-программа app.it содержит 100 java-программ, из которых вы можете ее изучить
With Learn Java, you’ll learn object-oriented Java programming and have the ability to write clear and valid code in almost no time at all. So don't hesitate. Begin our step-by-step tutorial today, and learn a new skill!
The app's 100 program cover the following topics:
• Java Basics: Variables, Operators, etc.
• Conditional Statements and Loops
• Arrays
• Classes and Objects
• Encapsulation, Polymorphism, and Inheritance
• Abstract Classes and Interfaces
• Anonymous and Inner Classes
• Exception Handling
• Lists
• HashMaps
• Sets
• Threads
• Working with Files
• And Much More!