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EXPERTY DESIGNED 1Z0-829 PRACTICE TEST

Oracle 1Z0-829 Exam Questions
Total Questions: 660
Java SE 17 Developer
Updated On: Jan 13, 2026
Page : 1-66
Question 1

Question ID: UK8296802
Given code:
package com.examtest.ocp;
 
class A {
    A() {
        System.out.print(1);
    }
    class B {
        B() {
            System.out.print(2);
        }
    }
}
 
public class Test {
    public static void main(String [] args) {
        B obj = new A().new B();
    }
}
What is the result?

Options :
Answer: A
Question 2

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.add(new Person("Liam", 25));
        
        persons.remove(new Person("Liam", 25));
        
        for(Person person : persons) {
            System.out.println(person);
        }
    }
}
What is the result?

Options :
Answer: D
Question 3

Question ID: UK8291953
Consider below code of Test.java file:
package com.examtest.ocp;
 
public class Test {
    public static void main(String [] args) {
        var text = """
            I gave him $200 and \
            he returned me €120, \
            so I am left with £80.""";
 
        System.out.println(
            text.transform(Test::removeCurrencySymbols)
                .transform(String::toUpperCase)
                .formatted("¥", "¥", "¥"));
    }
 
    private static String removeCurrencySymbols(String s) {
        return s.replaceAll("\\$", "%s")
                .replaceAll("€", "%s")
                .replaceAll("£", "%s");
    }
}
What is the result?

Options :
Answer: B
Question 4

Question ID: UK8295901
Consider below code:
package com.examtest.ocp;
 
public class Test {
    static Double d1;
    static int x = d1.intValue();
    
    public static void main(String[] args) {
        System.out.println("HELLO");
    }
}
On execution, does Test class print HELLO on to the console?

Options :
Answer: B
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
Page : 1-66

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