100 Java Mistakes and How to Avoid Them (MEAP v1)

100 Java Mistakes and How to Avoid Them MEAP V01
Copyright
Welcome
Brief contents
Chapter 1: Introduction
	1.1 The structure of this book
	1.2 Code review and pair programming
	1.3 Code style
	1.4 Static analysis
		1.4.1 Static analysis tools for Java
		1.4.2 Using static analyzers
		1.4.3 Limitations of static analysis
		1.4.4 Suppressing unwanted warnings
	1.5 Annotation packages
	1.6 Dynamic analysis
	1.7 Automated testing
	1.8 Mutation coverage
	1.9 Code assertions
	1.10 Summary
Chapter 2: Expressions
	2.1 Mistake #1. Wrong precedence in arithmetic expressions
		2.1.1 Bitwise operators
		2.1.2 Binary shift
	2.2 Mistake #2. Lack of parentheses in conditions
		2.2.1 && and || precedence
		2.2.2 Conditional operator and addition
		2.2.3 Conditional operator and null check
		2.2.4 Initial capacity
		2.2.5 Conditional operator returning a boolean value
	2.3 Mistake #3. Accidental concatenation instead of addition
	2.4 Mistake #4. Multiline string literals
	2.5 Mistake #5. Unary plus
	2.6 Mistake #6. Implicit type conversion in conditional expression
		2.6.1 Boxed numbers in conditional expressions
		2.6.2 Nested conditional expressions
	2.7 Mistake #7. Using non-short-circuit logic operators
	2.8 Mistake #8. Mixing && and ||
	2.9 Mistake #9. Incorrect use of variable arity calls
		2.9.1 Ambiguous variable arity calls
		2.9.2 Mixing array and collection
	2.10 Mistake #10. Conditional operators and variable arity calls
	2.11 Mistake #11. Ignoring the method result value
	2.12 Mistake #12. Not using newly created object
	2.13 Mistake #13. Binding a method reference to the wrong method
	2.14 Mistake #14. Using the wrong method in a method reference
	2.15 Summary
Chapter 3: Program structure
	3.1 Mistake #15. Malformed if-else chain
	3.2 Mistake #16. Condition dominated by a previous condition
	3.3 Mistake #17. Accidental pass-through in switch statement
	3.4 Mistake #18. Malformed classic for loop
	3.5 Mistake #19. Not using the loop variable
	3.6 Mistake #20. Wrong loop direction
	3.7 Mistake #20. Loop overflow
	3.8 Mistake #21. Idempotent loop body
	3.9 Mistake #22. Incorrect initialization order
		3.9.1 Static fields
		3.9.2 Subclass fields
		3.9.3 Class initialization order
	3.10 Mistake #23. Missing super method call
	3.11 Mistake #24. Accidental static field declaration
	3.12 Summary
Chapter 4: Numbers
	4.1 Mistake #25. Accidental use of octal literal
	4.2 Mistake #26. Numeric overflow
		4.2.1 Overflow in Java
		4.2.2 Assigning the result of int multiplication to a long variable
		4.2.3 File size and financial computations
	4.3 Mistake #27. Rounding during integer division
	4.4 Mistake #28. Absolute value of Integer.MIN_VALUE
	4.5 Mistake #29. Oddness check and negative numbers
	4.6 Mistake #30. Widening with precision loss
	4.7 Mistake #31. Unconditional narrowing
	4.8 Mistake #32. Negative hexadecimal values
	4.9 Mistake #33. Implicit type conversion in compound assignments
	4.10 Mistake #34. Division and compound assignment
	4.11 Mistake #35. Using the short type
	4.12 Mistake #36. Manually writing bit-manipulating algorithms
	4.13 Mistake #37. Forgetting about negative byte values
	4.14 Mistake #38. Incorrect clamping order
	4.15 Mistake #39. Ignoring the difference between +0.0 and −0.0
	4.16 Mistake #40. Forgetting to handle the NaN value
	4.17 Summary