如何将Lambda表达式写入方法引用?

Dee*_*rma 3 java java-8

我们如何编写Lambda表达式语句

Collections.sort(list,(a1,a2) -> (a1.getName().compareTo(a2.getName())));
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进入方法参考?

Joh*_*ica 6

Collections.sort(list, Comparator.comparing(Item::getName));
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或者更好,

list.sort(Comparator.comparing(Item::getName));
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