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Pass Guaranteed Quiz 2026 1z0-809: Efficient New Java SE 8 Programmer II Exam Cram

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Oracle Java SE 8 Programmer II Sample Questions (Q122-Q127):

NEW QUESTION # 122
Given the code fragment:

Which code fragment, when inserted at line 7, enables printing 100?

A. Function<Integer> funRef = e -> e + 10;Integer result = funRef.apply(value);
B. IntFunction funRef = e -> e + 10;Integer result = funRef.apply (10);
C. ToIntFunction funRef = e -> e + 10;int result = funRef.apply (value);
D. ToIntFunction<Integer> funRef = e -> e + 10;int result = funRef.applyAsInt (value);

Answer: A

NEW QUESTION # 123
Given:
public class Foo<K, V> {
private K key;
private V value;
public Foo (K key, V value) (this.key = key; this value = value;)
public static <T> Foo<T, T> twice (T value) (return new Foo<T, T> (value, value); )
public K getKey () (return key;)
public V getValue () (return value;)
}
Which option fails?

A. Foo<String, Integer> mark = new Foo<String, Integer> ("Steve", 100););
B. Foo<String, String> grade = new Foo <> ("John", "A");
C. Foo<?, ?> percentage = new Foo <> (97, 32););
D. Foo<String, String> pair = Foo.<String>twice ("Hello World!");

Answer: C

NEW QUESTION # 124
Given:
class FuelNotAvailException extends Exception { }
class Vehicle {
void ride() throws FuelNotAvailException { //line n1
System.out.println(“Happy Journey!”);
}
}
class SolarVehicle extends Vehicle {
public void ride () throws Exception { //line n2
super ride ();
}
}
and the code fragment:
public static void main (String[] args) throws FuelNotAvailException, Exception
{
Vehicle v = new SolarVehicle ();
v.ride();
}
Which modification enables the code fragment to print Happy Journey!?

A. Replace line n1with public void ride() throws FuelNotAvailException {
B. Replace line n2with private void ride() throws FuelNotAvailException {
C. Replace line n2with void ride() throws Exception {
D. Replace line n1with protected void ride() throws Exception {

Answer: D

NEW QUESTION # 125
Given: What is the result?

A. 100 210
B. Compilation fails due to an error at line n2
C. Compilation fails due to an error at line n3
D. Compilation fails due to an error in line n1

Answer: B

NEW QUESTION # 126
Given the code fragment:

What is the result?

A. Val:20 Val:40 Val:60
B. Val:10 Val:20 Val:30
C. Val: Val: Val
D. A compilation error occurs.

Answer: B

NEW QUESTION # 127
......

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