9 lines
263 B
Plaintext
9 lines
263 B
Plaintext
$ javac src/OptionalDemo.java && java OptionalDemo (1.8.0_504)
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present : VALUE-1
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absent : none
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orElse (value present):
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expensive() called
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orElseGet (value present):
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get() on empty : No value present
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Optional.of(null): NullPointerException
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