java "->"
Runnable r = ()-> System.out.print("Run method");
// is equivalent to
Runnable r = new Runnable() {
@Override
public void run() {
System.out.print("Run method");
}
};java "->"
Runnable r = ()-> System.out.print("Run method");
// is equivalent to
Runnable r = new Runnable() {
@Override
public void run() {
System.out.print("Run method");
}
};|= java operation
foo = 32; // 32 = 0b00100000
bar = 9; // 9 = 0b00001001
baz = 10; // 10 = 0b00001010
foo |= bar; // 32 | 9 = 0b00101001 = 41
// now foo = 41
foo |= baz; // 41 | 10 = 0b00101011 = 43
// now foo = 43java :: operator
// :: is a new operator included in Java 8 that is used to
// refer a method of an existing class. Comes in useful when using optionals:
Optional<Soundcard> soundcard = ...;
soundcard.ifPresent(System.out::println);Copyright © 2021 Codeinu
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