Higher Test Marks with Free Online 1Z0-829 Exam Practice

Assess the CertsIQ’s updated 1Z0-829 exam questions for free online practice of your Java SE 17 Developer test. Our Oracle Certified Professional: Java SE 17 Developer 1Z0-829 dumps questions will enhance your chances of passing the Oracle Java certification exam with higher marks.

Exam Code: 1Z0-829
Exam Questions: 660
Java SE 17 Developer
Updated: 14 Apr, 2026
Question 1

Question ID: UK8291525
Below is the code of TestSellable.java file:
package com.examtest.ocp;
 
interface Sellable {
    double getPrice();
}
 
public class TestSellable {
    private static void printPrice(Sellable sellable) {
        System.out.println(sellable.getPrice());
    }
 
    public static void main(String[] args) {
        /*INSERT*/
    }
}
Which of the following options can replace /*INSERT*/ such that there are no compilation errors?
Choose 3 options.

Options :
Answer: A,D

Question 2

Question ID: UK8292860
Given code of Test.java file:
package com.examtest.ocp;
 
class Car {
    void speed(Byteval) { //Line n1
        System.out.println("DARK"); //Line n2
    } //Line n3
 
    void speed(byte... vals) {
        System.out.println("LIGHT");
    }
}
 
public class Test {
    public static void main(String[] args) {
        byte b = 10; //Line n4
        new Car().speed(b); //Line n5
    }
}
Which of the following needs to be done so that LIGHT is printed on to the console?

Options :
Answer: B

Question 3

Question ID: UK8294673
Consider below code of Test.java file:
package com.examtest.ocp;
 
abstract class Log {
    abstract long count(); //Line n1
    abstract Object get(); //Line n2
}
 
class CommunicationLog extends Log {
    int count() { //Line n3
        return 100;
    }
    
    String get() { //Line n4
        return "COM-LOG";
    }
}
 
public class Test {
    public static void main(String[] args) {
        Log log = new CommunicationLog(); //Line n5
        System.out.print(log.count());
        System.out.print(log.get());
    }
}
Which of the following statement is correct?

Options :
Answer: A

Question 4

Given the directory structure:




Given the definition of the Doc class:




Which two are valid definition of the wordDoc class?


Options :
Answer: A,E

Question 5

Question ID: UK8297722
Given code of Test.java file:
package com.examtest.ocp;
 
interface Rideable {
    void ride(String name);
}
 
class Animal {}
 
class Horse extends Animal implements Rideable {
    public void ride(String name) {
        System.out.println(name.toUpperCase() + " IS RIDING THE HORSE");
    }
}
 
public class Test {
    public static void main(String[] args) {
        Animal horse = new Horse();
        /*INSERT*/
    }
}
Which of the following options, if used to replace /*INSERT*/, will compile successfully and on execution will print EMMA IS RIDING THE HORSE on to the console?
Choose 4 options.

Options :
Answer: A,C

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