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The Java compiler enforces tighter type checks on generic code at compile time. Generics support programming types as parameters. Generics enable you to implement generic algorithms.
- Questions and Exercises
Write a generic method to exchange the positions of two...
- Generics
Generics add stability to your code by making more of your...
- Questions and Exercises
In this part 1 of the Oracle Java Certification Exam Sample Questions series, you can check out a few sample questions for reference for ava SE 8 Oracle Certified Associate (OCA) certification. The answer to each question has given at end of this post.
Write a generic method to exchange the positions of two different elements in an array. If the compiler erases all type parameters at compile time, why should you use generics? What is the following class converted to after type erasure?
28 Ιουν 2019 · Java Certification Prep with Java SE Programming I MOOC - Includes Certification Voucher + Free Retake! Test your knowledge of key Java concepts before taking an exam. Get a feel for the types and difficulty of the questions you will see on the exam.
11 Generics 563 11.1 Introducing Generics 565 11.2 Generic Types and Parameterized Types 567 11.3 Collections and Generics 578 11.4 Wildcards 579 11.5 Using References of Wildcard Parameterized Types 584 11.6 Bounded Type Parameters 591 11.7 Generic Methods and Constructors 593 11.8 Implementing a Simplified Generic Stack 598 Review Questions 600
Generics add stability to your code by making more of your bugs detectable at compile time. After completing this lesson, you may want to follow up with the Generics tutorial by Gilad Bracha.
Download Oracle Certified Professional - Java SE 11 Developer (OCP) Exam Sample Questions PDF with Online Practice Test, Study Material and Exam Guide.
