Title: it's over rated.
Product review: i was told it is the #1 best selling JAVA exam stydy guide. after i went through it, i thought it was over rated. in this book, a lot of useless messages are presented just to fill up the space. for example, it can use half page to tell you primitives of double cannot be implicitly converse into int since it's narrowing conversion, and use another half of page just to tell you int primitives can be conversed into double types since it's widening conversion. all these kinds of junk is full of this book. also it can use a huge space just to put a figure such as pouring a coffee into a cap. it is not worth. if you want to buy a book on java certification exam, it's better find another one.
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