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 19, 2026
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Question 1

Question ID: UK8291525
Below is the code of TestSellable.java file:
package com.examtest.ocp;
 
interface Sellable {
    double getPrice();
}
 
public class TestSellable {
    private static void printPrice(Sellable sellable) {
        System.out.println(sellable.getPrice());
    }
 
    public static void main(String[] args) {
        /*INSERT*/
    }
}
Which of the following options can replace /*INSERT*/ such that there are no compilation errors?
Choose 3 options.


Answer: A,D
Question 2

Given:

Which two method invocation execute? 


Answer: D,E
Question 3

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?


Answer: D
Question 4

Question ID: UK8293789
Given code of Test.java file:
package com.examtest.ocp;
 
class Base {
    public void log() throws NullPointerException {
        System.out.println("Base: log()");
    }
}
 
class Derived extends Base {
    public void log() throws RuntimeException {
        System.out.println("Derived: log()");
    }
}
 
public class Test {
    public static void main(String[] args) {
        Base obj = new Derived();
        obj.log();
    }
}
What is the result?


Answer: B
Question 5

Question ID: UK8295506
Given code of Test.java file:
package com.examtest.ocp;
 
public class Test {
    public static void main(String[] args) {
        String[] arr = { "L", "I", "V", "E" }; //Line n1
        int i = -2;
 
        if (i++ == -1) { //Line n2
            arr[-(--i)] = "F"; //Line n3
        } else if (--i == -2) { //Line n4
            arr[-++i] = "O"; //Line n5
        }
 
        System.out.println(String.join("", arr)); //Line n6
    }
}
What is the result?


Answer: A
Page:    1 / 132      
Total 660 Questions | Updated On: Mar 19, 2026
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