Question 1

Given the directory structure:

Given the definition of the Doc class:

Which two are valid definition of the wordDoc class?

Options :

A : Package p1;

Public non-sealed class wordDoc extends Doc ()

B : Package p1;

Public class wordDoc extends Doc ()

C : Package p1, p2;

Public non-sealed class WordDoc extends Doc ()

D :

Package p1, p2;

Public sealed class WordDoc extends Doc ()

E : Package p1,

non-sealed abstract class WordDoc extends Doc ()

F : Package p1;

Public final class WordDoc extends Doc ()

Answer: A,E

Question 2

Question ID: UK8296394

Consider below code of Test.java file:

package com.examtest.ocp;

public class Test {

public static void main(String[] args) {

var sb = new StringBuilder();

System.out.println(sb.append("").append("").append("").length());

}

What is the result?

Options :

A : 0

B : 1

C : 2

D : 3

Answer: A

Question 3

Question ID: UK8291153

Given code of Test.java file:

package com.examtest.ocp;

import java.util.ArrayList;

import java.util.List;

class Person {

private String name;

private int age;

Person(String name, int age) {

this.name = name;

this.age = age;

}

public String toString() {

return "Person[" + name + ", " + age + "]";

}

public boolean equals(Person obj) {

if(obj instanceof Person) {

Person person = (Person)obj;

if(this.name.equals(person.name) && this.age == person.age) {

return true;

}

return false;

}

public class Test {

public static void main(String[] args) {

List<Person> persons = new ArrayList<>();

persons.add(new Person("Liam", 25));

persons.add(new Person("Liam", 27));

persons.add(new Person("Liam", 25));

persons.remove(new Person("Liam", 25));

for(Person person : persons) {

System.out.println(person);

}

What is the result?

Options :

A :

Person[Liam, 27]

Person[Liam, 25]

B :

Person[Liam, 25]

Person[Liam, 27]

Person[Liam, 25]

C : Person[Liam, 27]

D :

Person[Liam, 25]

Person[Liam, 27]

Person[Liam, 25]

Answer: D

Question 4

Skipped

Question ID: UK8295920

Given code of Test.java file:

package com.examtest.ocp;

public class Test {

public static void main(String[] args) {

int x = 4;

switch (x) {

default -> System.out.println("Unknown");

case 1 -> System.out.println("x is equal to 1");

case 2 -> System.out.println("x is equal to 2");

case 3 -> System.out.println("x is equal to 3");

}

What is the result?

Options :

A : Compilation error

B : Unknown

C :

Unknown

x is equal to 1

x is equal to 2

x is equal to 3

D : Program compiles and executes successfully but produces no output

Answer: B

Question 5

Question ID: UK8298581

Given the code fragment:

String txt = "an";

System.out.println(txt.split("an").length);

What is the result?

Options :

A : 0

B : 1

C : 2

D : 3

E : Compilation error

Answer: A

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