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Budi Kurniawan

OCA Java SE 8 Programmer Study Guide (Exam 1Z0–808)

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This book is designed for people who want to pass the Oracle Certified Associate, Java SE 8 Programmer exam (Exam 1Z0–808). It includes an extensive Java refresher written as a tutorial as well as two full mock exams. The Java refresher includes all the materials and exam objectives you need to master to pass the exam. It explains the concepts very clearly and in detail and provides examples that are easy to follow even to those with no programming experience. The mock exams are useful for testing how prepared you are to take the real exam.
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  • 08106har citeretfor 7 år siden
    The program examples accompanying this book can be downloaded from the publisher’s website:
    http://books.brainysoftware.com
    Extract the zip file to a working directory and you are good to go.
  • DARhar citeretfor 8 år siden
    An integer literal without a suffix L or l is regarded as an int. Therefore, the following will generate a compile error because 9876543210 is larger than the capacity for an int:
    long a = 9876543210;
    To rectify the problem, add an L or l at the end of the number like this:
    long a = 9876543210L;
  • DARhar citeretfor 8 år siden
    Literals
    From time to time you need to assign values to variables in your program, such as number 2 to an int or the character ‘c’ to a char. For this, you need to write the value representation in a format that the Java compiler understands. This source code representation of a value is called literal. There are three types of literals: literals of primitive types, string literals, and the null literal.

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