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zivce/orElseGet_orElseCorrection.java

Created April 17, 2021 15:00
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orElseGet_orElseCorrection.java
getValue(x).orElseGet(() -> getValue(y)
.orElseThrow(() -> new NotFoundException("value not present")));
public Optional<Value> getValue(Source s)
{
System.out.println("Source: " + s.getName());
// returns value from s source
}
// when getValue(x) is present system will output
Source: x
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