public class Optional extends Object
Object
get()
void
ifPresent(LambdaExpression lambda)
boolean
isPresent()
orElse(Object other)
orElseGet(LambdaExpression other)
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
public boolean isPresent()
public void ifPresent(LambdaExpression lambda)
public Object get()
public Object orElse(Object other)
public Object orElseGet(LambdaExpression other)
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