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: Mar 11, 2026
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Question 1

Question ID: UK8292860
Given code of Test.java file:
package com.examtest.ocp;
 
class Car {
    void speed(Byteval) { //Line n1
        System.out.println("DARK"); //Line n2
    } //Line n3
 
    void speed(byte... vals) {
        System.out.println("LIGHT");
    }
}
 
public class Test {
    public static void main(String[] args) {
        byte b = 10; //Line n4
        new Car().speed(b); //Line n5
    }
}
Which of the following needs to be done so that LIGHT is printed on to the console?


Answer: B
Question 2

Question ID: UK8293780
Given code of Test.java file:
package com.examtest.ocp;
 
interface Blogger {
    default void blog() throws Exception {
        System.out.println("GENERIC");
    }
}
 
class TravelBlogger implements Blogger {
    public void blog() {
        System.out.println("TRAVEL");
    }
}
 
public class Test {
    public static void main(String[] args) {
        Blogger blogger = new TravelBlogger(); //Line n1
        ((TravelBlogger)blogger).blog(); //Line n2
    }
}
What is the result?


Answer: D
Question 3

Question ID: UK8298570
Consider below code of Test.java file:
package com.examtest.ocp; 
 
public class Test extends String {
    @Override
    public String toString() {
        return "TEST";
    }
    
    public static void main(String[] args) {
        Test obj = new Test();
        System.out.println(obj);
    }
}
What is the result?


Answer: D
Question 4

Question ID: UK8294673
Consider below code of Test.java file:
package com.examtest.ocp;
 
abstract class Log {
    abstract long count(); //Line n1
    abstract Object get(); //Line n2
}
 
class CommunicationLog extends Log {
    int count() { //Line n3
        return 100;
    }
    
    String get() { //Line n4
        return "COM-LOG";
    }
}
 
public class Test {
    public static void main(String[] args) {
        Log log = new CommunicationLog(); //Line n5
        System.out.print(log.count());
        System.out.print(log.get());
    }
}
Which of the following statement is correct?


Answer: A
Question 5

Question ID: UK8294624
Given code:
package com.examtest.ocp;
 
class Outer {
    private String msg = "A";
    public void print() {
        final String msg = "B";
        class Inner {
            public void print() {
                System.out.println(this.msg);
            }
        }
        Inner obj = new Inner();
        obj.print();
    }
}
 
public class Test {
    public static void main(String[] args) {
        new Outer().print(); 
    }
}
What is the result?


Answer: A
Page:    1 / 132      
Total 660 Questions | Updated On: Mar 11, 2026
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