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EXPERTY DESIGNED 1Z0-829 PRACTICE TEST

Oracle 1Z0-829 Exam Questions
Total Questions: 660
Java SE 17 Developer
Updated On: Sep 09, 2025
Page : 1-66
Question 1

Question ID: UK8292097
Below is the code of Test.java file:
package com.examtest.ocp;
 
import java.util.*;
 
public class Test {
    public static void main(String[] args) {
        var list = new ArrayList<>(); //Line n1
        list.add("TAKE");
        list.add("THE");
        list.add("RISK");
 
        System.out.println(String.join(".", list)); //Line n2
    }
}
What is the result?

Options :
Answer: B
Question 2

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 3

Question ID: UK8298141
Consider below 3 statements:
1. System.out.println(700 * Math.pow(2, -2));
2. System.out.println(700 * (1 / 4));
3. System.out.println(7 * Math.ceil(24.80));
Do all the three statements produce same output?

Options :
Answer: B
Question 4

Question ID: UK8291167
Given code:
package com.examtest.ocp;
 
interface Message {
    String msg = "CONSISTENCY";
    public default void quoteOfTheDay() {
        record Quote(){ //Line n1
            String combine(String str) {
                return msg + "=" + str; //Line n2
            }
        }
        System.out.println(new Quote().combine("SUCCESS")); //Line n3
    }
}
 
public class Test {
    public static void main(String[] args) {
        new Message(){}.quoteOfTheDay(); //Line n4
    }
}
What is the result?

Options :
Answer: A
Question 5

Question ID: UK8291982
Consider below code of Test.java file:
package com.examtest.ocp;
 
import java.time.LocalDate;
 
class MyLocalDate extends LocalDate {
    @Override
    public String toString() {
        return super.getDayOfMonth() + "-" + super.getMonthValue() + "-" +  super.getYear();
    }
}
 
public class Test {
    public static void main(String [] args) {
        MyLocalDate date = LocalDate.parse("1980-03-16");
        System.out.println(date);
    }
}
What is the result?

Options :
Answer: A
Page : 1-66

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