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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: UK8291985
Consider below code of Test.java file:
package com.examtest.ocp;
 
import java.time.LocalDate;
 
public class Test {
    public static void main(String [] args) {
        LocalDate date = LocalDate.parse("1980-03-16");
        System.out.println(date.minusYears(-5));
    }
}
What is the result?

Answer: B
Question 2

Question ID: UK8296889
Given code of Test.java file:
package com.examtest.ocp;
 
class GrandParent {}
 
class Parent extends GrandParent {}
 
class Child extends Parent {}
 
class GrandChild extends Child {}
 
public class Test {
    public static void main(String... args) {
        GrandParent obj = new Child();
        if(!(obj instanceof GrandChild gc)) {
            System.out.print("Not a GrandChild");
            /*INSERT-1*/
        } 
        /*INSERT-2*/
        System.out.println(gc); //Line n2
    }
}
And the statements:
1. Above code causes compilation error
2. Above code compiles successfully and prints: Not a GrandChild
3. To resolve compilation error, replace /*INSERT-1*/ with return;
4. To resolve compilation error, replace /*INSERT-2*/ with else
How many of the above statements is/are correct?

Answer: C
Question 3

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?

Answer: D
Question 4

Question ID: UK8292486
Given code of Test.java file
package com.examtest.ocp;
public class Test {
    public static < T > T get(T t) {
        return t;
    }
    public static void main(String[] args) {
        String str = get("HELLO");
        System.out.println(str);
    }
}
What is the result?

Answer: A
Question 5

Question ID: UK8292454
Given code of Test.java file:
package com.examtest.ocp;
 
public class Test {
    private static void div(int i, int j) {
        try {
            System.out.println(i / j);
        } catch(ArithmeticException e) {
            throw (RuntimeException)e;
        }
    }
    
    public static void main(String[] args) {
        try {
            div(5, 0);
        } catch(ArithmeticException e) {
            System.out.println("AE");
        } catch(RuntimeException e) {
            System.out.println("RE");
        }
    }
}
What is the result?

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