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: Jan 13, 2026
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Question 1

Question ID: UK8293780
Given code of Test.java file:
package com.examtest.ocp;
 
interface Blogger {
    default void blog() throws Exception {
        System.out.println("GENERIC");
    }
}
 
class TravelBlogger implements Blogger {
    public void blog() {
        System.out.println("TRAVEL");
    }
}
 
public class Test {
    public static void main(String[] args) {
        Blogger blogger = new TravelBlogger(); //Line n1
        ((TravelBlogger)blogger).blog(); //Line n2
    }
}
What is the result?


Answer: D
Question 2

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.


Answer: A,C
Question 3

Question ID: UK8295941
Given code of TestStudent.java file:
package com.examtest.ocp;
 
class Student {
    String name;
    int age;
    boolean result;
    double height;
}
 
public class TestStudent {
    public static void main(String[] args) {
        var stud = new Student(); //Line n1
        System.out.println(stud.name + stud.height + stud.result + stud.age); //Line n2
    }
}
What is the result?


Answer: A
Question 4

Question ID: UK8291921
Given code of Test.java file:
package com.examtest.ocp;
 
import java.time.*;
 
public class Test {
    public static void main(String [] args) {
        System.out.println(Duration.ofDays(-2));
    }
}
What is the result?


Answer: C
Question 5

Question ID: UK8291549
Given code of Test.java file:
package com.examtest.ocp;
 
public class Test {
    private static void m(int i) {
        System.out.print(1);
    }
    
    private static void m(int i1, int i2) {
        System.out.print(2);
    }
    
    private static void m(char... args) {
        System.out.print(3);
    }
   
    public static void main(String... args) {
        m('A');
        m('A', 'B');
        m('A', 'B', 'C');
        m('A', 'B', 'C', 'D');
    }
}
What is the result?


Answer: C
Page:    1 / 132      
Total 660 Questions | Updated On: Jan 13, 2026
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