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: May 24, 2026
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Question 1

Given code of Test.java file:
package com.examtest.ocp;

public class Test {
    private static String print(String... args) {
        return String.join("-", args); //Line n1
    }
    
    private static Object print(Object... args) {
        String str = "";
        for(Object obj : args) {
            if(obj instanceof String) { //Line n2
                str += (String) obj; //Line n3
            }
        }
        return str; //Line n4
    }
    
    public static void main(String... args) {
        Object obj1 = new String("SPORT"); //Line n5
        Object obj2 = new String("MAD"); //Line n6
        System.out.println(print(obj1, obj2)); //Line n7
    }
}
What is the result?


Answer: A
Question 2

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?


Answer: C
Question 3

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 4

Given:

Which two method invocation execute? 


Answer: D,E
Question 5

Question ID: UK8296377
Daylight saving time of 2018 in United States (US) ended at 4-Nov-2018 2:00 AM.
What will be the result of compiling and executing below code?
package com.examtest.ocp;
 
import java.time.*;
 
public class Test {
    public static void main(String [] args) {
        LocalDate date = LocalDate.of(2018, 11, 4);
        LocalTime time = LocalTime.of(13, 59, 59);
        ZonedDateTime dt = ZonedDateTime.of(date, time, ZoneId.of("America/New_York"));
        dt = dt.plusSeconds(1);
        System.out.println(dt.getHour() + ":" + dt.getMinute() + ":" + dt.getSecond());
    }
}


Answer: C
Page:    1 / 132      
Total 660 Questions | Updated On: May 24, 2026
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