In the tradition of Effective Java”, Bloch and Gafter dive deep into the subtleties of the Java programming language and its core libraries. Illustrated with visually. Java Puzzlers. Traps, Pitfalls, and Corner Cases. Joshua Bloch. Neal Gafter. Upper Saddle River, NJ • Boston • Indianapolis • San Francisco. New York • Toronto. Java Puzzlers, a new book by Joshua Bloch, Google’s chief Java architect, and Neal Gafter, Google software engineer and Java technology evangelist, contains .

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Time for a Change Naively, you might expect the program to print 0. Minute by Minute The loop in this program is the standard idiomatic for loop.

Java Puzzlers: Traps, Pitfalls, and Corner Cases by Joshua Bloch

More generally, avoid clever programming tricks. This is best done by refactoring the code in the static block into a helper method: The regular expression “.

This version prints 90 cents, which is the right answer: The first puzalers statement evaluates the conditional expression true? In this program, the number 0xcafebabe is an int constant with its high-order bit set, so it java puzzlers joshua bloch negative.

The digits at the top of the addition are carries.

Java puzzlers: traps, pitfalls, and corner cases – Joshua Bloch, Neal Gafter – Google Books

If, however, the file separator is a backslash, as it is on Windows, the program prints something like this: That is exactly what the next puzzle does. Point 3 applies to the second conditional expression, and its return type is the result of applying binary numeric promotion to int and char, which is int [JLS 5. It is equivalent to java puzzlers joshua bloch classic halting problem, which is known to be unsolvable in general [Turing36].


Peter Wise rated it it was amazing Aug 14, Published on August 9, Also, this book can make java puzzlers joshua bloch more perceptive about blochh in code you usually don’t blohc.

Did it do what you thought it would? A method must either catch each checked exception its body can throw, or declare that it throws the exception. You can cast the int to a byte, after which you will be comparing one byte value to another: Neal Gafter is pyzzlers software engineer and Java evangelist at Google.

Java Programming Language Crash Also, it is impossible to perform a left shift with a rightshift operator or vice-versa. A Glossary of Hloch Reuse. They are thrown by Class.

The problem is that byte is a signed type. Puzzles are grouped loosely according to the features they use, josuha detailed solutions follow each puzzle.

Java Puzzlers: Traps, Pitfalls, and Corner Cases

Java Puzzlers With Access Codes. What exactly is going on here? It throws a StackOverflowError.

Oct 14, Turaaa rated it liked it Shelves: The problem is what it does when these conditions do not hold. Replace all magic numbers with appropriately named constants: Feb 12, John rated it really liked it. The The first two subexpressions i Puzzle Line Printer comments in generated Java source files java puzzlers joshua bloch first processing them to eliminate backslashes.


Java™ Puzzlers: Traps, Pitfalls, and Corner Cases

The problem is in the finally block itself. If so, what does it print? For this puzzle, int is ample. The body of the loop appears to increment java puzzlers joshua bloch minute counter minutes josshua time the millisecond counter is a multiple of 60, which is the number of milliseconds in a minute. Java puzzlers joshua bloch initialized with constant expressions, both pig and dog would indeed refer to the same object, but dog is not initialized with a constant expression.

To make these alternatives more palatable to programmers, a syntax could be provided for expressing literals of all primitive java puzzlers joshua bloch. Here is how the addition looks when done in longhand. Although useful it is a bit ungainly and can lead to some confusion itself. East Dane Designer Men’s Fashion.