Free Oracle 1Z0-829 Exam Questions

Become Oracle Certified with updated 1Z0-829 exam questions and correct answers

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Total 660 Questions | Updated On: Feb 09, 2026

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Question 1

Question ID: UK8295509

Given code of Test.java file:

package com.examtest.ocp;

public class Test {

public static void main(String[] args) {

String arr1 [], arr2, arr3 = null; //Line n1

arr1 = new String[2];

arr1[0] = "A";

arr1[1] = "B";

arr2 = arr3 = arr1; //Line n2

System.out.println(String.join("-", arr2)); //Line n3

}

What is the result?

A : Line n1 causes compilation error

B : Line n2 causes compilation error

C : Line n3 causes compilation error

D : It executes successfully and prints A-B on to the console

E : It executes successfully and prints B-A on to the console

F : It executes successfully and prints A on to the console

G : It executes successfully and prints B on to the console

Answer: B

Question 2

Given the directory structure:

Given the definition of the Doc class:

Which two are valid definition of the wordDoc class?

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 3

Question ID: UK8296869

Given code of Test.java file:

package com.examtest.ocp;

class Parent {

int var = 1000; // Line n1

int getVar() {

return var;

}

class Child extends Parent {

private int var = 2000; // Line n2

int getVar() {

return super.var; //Line n3

}

public class Test {

public static void main(String[] args) {

Child obj = new Child(); // Line n4

System.out.println(obj.var); // Line n5

}

There is a compilation error in the code.

Which three modifications, done independently, print 1000 on to the console?

A : Change Line n1 to private int var = 1000;

B : Delete the Line n2

C : Change Line n3 to return var;

D : Change Line n4 to Parent obj = new Child();

E : Delete the method getVar() from the Child class

F : Change Line n5 to System.out.println(obj.getVar());

Answer: A,B,D

Question 4

Question ID: UK8294682

Consider below codes of 3 java files:

//Shrinkable.java

package com.examtest.ocp;

public interface Shrinkable {

public static void shrinkPercentage() {

System.out.println("80%");

}

//AntMan.java

package com.examtest.ocp;

public class AntMan implements Shrinkable { }

//Test.java

package com.examtest.ocp;

public class Test {

public static void main(String[] args) {

AntMan.shrinkPercentage();

}

Which of the following statements is correct?

A : There is a compilation error in Shrinkable.java file

B : There is a compilation error in AntMan.java file

C : There is a compilation error in Test.java file

D : There is no compilation error and on execution, Test class prints 80% on to the console

Answer: C

Question 5

Given:

What is the result?

A : MbMC

B : Mb

C : Mb

D : MA

E : mA

Answer: E

Page: 1 / 132

Total 660 Questions | Updated On: Feb 09, 2026

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