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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: Sep 11, 2025
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Question 1

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 2

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 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?

Answer: D
Question 4

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 5

Question ID: UK8291961
Consider below statements:
1. int x = 5____0;
2. int y = ____50;
3. int z = 50____;
4. float f = 123.76_86f;
5. double d = 1_2_3_4;
How many statements are legal?

Answer: C
Page:    1 / 132      
Total 660 Questions | Updated On: Sep 11, 2025
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