They say that if you have the knowledge of c and c++ then you can proceed to learn java, to some extent it is true but if you read this book, you can learn also can write your own program in java without the prior knowledge of c and c++. Specially this book is designed for beginner, students of school like ICSE schools, colleges and universities where java is taught as a subject and others who wants to learn java having no knowledge about programming knowledge can go for this. Even engineering students can get benefit out of it. Some do not know how to write the program, some are not clear about the fundamentals of programming so if you go through this book thoroughly you can boost your programming skill and development.