EXPERTY DESIGNED 1Z0-829 PRACTICE TEST

Oracle 1Z0-829 Exam Questions
Total Questions: 660
Java SE 17 Developer
Updated On: Dec 28, 2025
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: UK8297735
Given code of Test.java file:
package com.examtest.ocp;
 
public class Test {
    enum TrafficLight {
        private String message;
        GREEN("go"), AMBER("slow"), RED("stop");
        
        TrafficLight(String message) {
            this.message = message;
        }
        
        public String getMessage() {
            return message;
        }
    }
    
    public static void main(String[] args) {
        System.out.println(TrafficLight.AMBER.getMessage().toUpperCase());
    }
What is the result?

Options :
Answer: C

Question 3

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 4

Question ID: UK8297789
Given code of Test.java file:
package com.examtest.ocp;
 
import java.util.ArrayList;
import java.util.List;
 
public class Test {
    public static void main(String[] args) {
        Boolean [] arr = new Boolean[2];
        List<Boolean> list = new ArrayList<>();
        list.add(arr[0]);
        list.add(arr[1]);
        
        if(list.remove(0)) {
            list.remove(1);
        }
        
        System.out.println(list);
    }
}
What is the result?

Options :
Answer: C

Question 5

Question ID: UK8296388
Consider below code of Test.java file:
package com.examtest.ocp; 
 
public class Test {
    public static void main(String[] args) {
        final var str = "+";
        System.out.println(str.repeat(2) == "++");
    }
}
What is the result?

Options :
Answer: B

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