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Method Ref Type

Example

Lambda Equivalent

Integer::parseInt

str -> Integer.parseInt(str)

Instant.now()::isAfter

Instant then = Instant.now();t-> then.isAfter(t);

String::toLowerCase

str -> str.toLowerCase()

class constructor

TreeMap<K, V)::new

() -> new TreeMap<K, V>

Array constructor

int[]::new

len -> new int[len]