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: Jun 17, 2026
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Question 1

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 2

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?


Answer: B
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?


Answer: B
Question 4

Question ID: UK8298565
Consider below code of Test.java file:
package com.examtest.ocp; 
 
public class Test {
    public static void main(String[] args) {
        String str = "*";
        /*INSERT*/
        System.out.println(str);
    }
}
Which of the following options, if used to replace /*INSERT*/, will compile successfully and on execution will print ***** on to the console?
Choose 2 options.


Answer: A,B
Question 5

Question ID: UK8291924
Given code of Test.java file:
package com.examtest.ocp;
 
import java.time.*;
 
public class Test {
    public static void main(String [] args) {
        Period period = Period.ofWeeks(100);
        System.out.println(period);
    }
}
What is the result?


Answer: C
Page:    1 / 132      
Total 660 Questions | Updated On: Jun 17, 2026
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