Oracle 1z1-809 Actual Free Exam Questions & Community Discussion

What is true about the java.sql.Statement interface?

Given the content of Operator.java, EngineOperator.java, and Engine.java files:

and the code fragment:

What is the result?

Given the structure of the EHF and DEPT tables:

Given the code fragment:

What is the result?

Given the content:

and the code fragment:

What is the result?

Given:

and the code fragment:

What is the result?

Given the code fragment:

What is the result?

Given the code fragment:
ZonedDateTime depart = ZonedDateTime.of(2015, 1, 15, 1, 0, 0, 0, ZoneID.of("UTC-7")); ZonedDateTime arrive = ZonedDateTime.of(2015, 1, 15, 9, 0, 0, 0, ZoneID.of("UTC-5")); long hrs = ChronoUnit.HOURS.between(depart, arrive); //line n1 System.out.println("Travel time is" + hrs + "hours"); What is the result?

Which statement is true about java.time.Duration?

Given the code fragments:

and

What is the result?

Given the definition of the Country class:
public class country {
public enum Continent {ASIA, EUROPE}
String name;
Continent region;
public Country (String na, Continent reg) {
name = na, region = reg;
}
public String getName () {return name;}
public Continent getRegion () {return region;}
}
and the code fragment:
List<Country> couList = Arrays.asList (
new Country ("Japan", Country.Continent.ASIA),
new Country ("Italy", Country.Continent.EUROPE),
new Country ("Germany", Country.Continent.EUROPE));
Map<Country.Continent, List<String>> regionNames = couList.stream ()
.collect(Collectors.groupingBy (Country ::getRegion,
Collectors.mapping(Country::getName, Collectors.toList()))));
System.out.println(regionNames);
What is the output?

Given the code fragment:

Assume that the value of now is 6:30 in the morning.
What is the result?