“One advantage of static factory methods is that, unlike constructors, they have names.”
“Learning the art of programming, like most other disciplines, consists of first learning the rules and then learning when to break them.”
“Collection or an appropriate subtype is generally the best return type for a public, sequence- returning method.”
“Writing concurrent programs in Java keeps getting easier, but writing concurrent programs that are correct and fast is as difficult as it ever was.”
“A second advantage of static factory methods is that, unlike constructors, they are not required to create a new object each time they're invoked.”
“If you export a nontrivial interface, you should strongly consider providing a skeletal implementation to go with it. To the extent possible, you should provide the skeletal implementation via default methods on the interface so that all implementors of the interface can make use of it.”
“Implementing a constant interface causes this implementation detail to leak into the class’s exported API. It is of no consequence to the users of a class that the class implements a constant interface. In fact, it may even confuse them. Worse, it represents a commitment: if in a future release the class is modified so that it no longer needs to use the constants, it still must implement the interface to ensure binary compatibility. If a nonfinal class implements a constant interface, all of its subclasses will have their namespaces polluted by the constants in the interface.”
“You can put any element into a collection with a raw type, easily corrupting the collection’s type invariant (as demonstrated by the unsafeAdd method on page 119); you can’t put any ele- ment (other than null) into a Collection<?>.”
“arrays are covariant. This scary-sounding word means simply that if Sub is a subtype of Super, then the array type Sub[] is a subtype of the array type Super[]. Generics, by contrast, are invariant: for any two distinct types Type1 and Type2, List is neither a subtype nor a supertype of List. You might think this means that generics are deficient, but arguably it is arrays that are deficient.”
“A forEach operation that does anything more than present the result of the computation performed by a stream is a “bad smell in code,” as is a lambda that mutates state.”
“streams do not make iteration obsolete”
“premature optimization is the root of all evil. —Donald E. Knuth [”
“In other words, it is about 50 times slower to create and destroy objects with finalizers.”
“In fact, two-thirds of the uses of the close method in the Java libraries were wrong in 2007.”
“There is no way to extend an instantiable class and add a value component while preserving the equals contract, unless you’re willing to forgo the benefits of object-oriented abstraction.”
“Given all the problems associated with Cloneable, new interfaces should not extend it, and new extendable classes should not implement it.”
“It is too early to say whether modules will achieve widespread use outside of the JDK itself. In the meantime, it seems best to avoid them unless you have a compelling need.”
“Builder pattern is more verbose than the telescoping constructor pattern, so it should be used only if there are enough parameters, say, four or more.”
“There's so much love in him, Dad." The mating bond showed her a depth of feeling, of heart, even greater than she'd imagined. He was someone special, Andrew Liam Kincaid, and he was hers. "I wish you could see him as I do."
"That would be against the laws of nature," Abel said in a somber tone. "I have to be able to kick his ass if necessary-- therefore, I must see him as the filthy bastard who dared hurt my daughter by getting himself shot."
"Are you threatening my mortally wounded mate?"
Her father pressed a kiss to her temple. "I'll hold of until he's healthy.”
“Snapshots were handed round. The menace of coloured transparencies was in the offing. All the enthusiasts wanted to show their own pictures, but to get out of being forced to see other people's.”
“Let’s try it,” he said.
“This is serious,” she said. “You could get hurt. Or die.”
“But if we can touch, that means we can make out, right?” he asked.
“Maybe.”
“You want me to risk my life for maybe?” He grinned.”
“When I married your daughter, I accepted full responsibility for both her and her happiness. If there are consequences to be faced, I have no problem facing them.” His”
“I think he should be fed to a pack of wild wolves,” Mairin muttered. “Perhaps tied between two trees and left to bleed to attract predators.” Ewan and his brothers gaped at her in astonishment. “Or we could simply drag him behind a horse for a few miles?” she asked hopefully. Caelen died laughing. “Bloodthirsty lass. I love it! She’s fierce, Ewan. I like your wife very much.” “You would,” Ewan muttered. Ewan looked at his wife in exasperation. “I was going to suggest we kill him and get it over with since he’s not going to survive your dagger to the belly anyway.” “ ’Tis too quick a death,” she said with a sniff. “I think he should be made to suffer.” Ewan frowned and she relented with a sigh. “Oh, very well. Kill him quickly. But he’s not to be buried on McCabe land. You can feed his corpse to the buzzards, can’t you?” Ewan shook his head and laughed at her hopeful tone. He gathered her in his arms and squeezed her until she couldn’t breathe. “Aye, lass, we can feed his corpse to the predators. Will it make you feel better to imagine his eyeballs plucked from their sockets?”
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