Free 1Z0-829 Mock Exam – Practice Online Confidently

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Exam Code: 1Z0-829
Exam Questions: 660
Java SE 17 Developer
Updated: 15 Jul, 2026
Question 1

Question ID: UK8292410
Consider below code of Test.java file:
package com.examtest.ocp;
 
public class Test {
    public static void main(String[] args) {
        Boolean b = Boolean.valueOf("tRUe");
        switch(b) {
            case true:
                System.out.println("ONE");
            case false:
                System.out.println("TWO");
            default: 
                System.out.println("THREE");
        }
    }
}
What is the result of compiling and executing Test class?

Options :
Answer: D

Question 2

Question ID: UK8298155
Following statement in a Java program compiles successfully:
student.report(course);
What can you say for sure?

Options :
Answer: C

Question 3

Question ID: UK8297291
Consider below code snippet:
var x = Double.valueOf(Math.random() * 10).intValue();
System.out.println(x);
Which of the following statements is correct?

Options :
Answer: D

Question 4

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?

Options :
Answer: B

Question 5

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

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