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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: Nov 24, 2025
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Question 1

Question ID: UK8298141
Consider below 3 statements:
1. System.out.println(700 * Math.pow(2, -2));
2. System.out.println(700 * (1 / 4));
3. System.out.println(7 * Math.ceil(24.80));
Do all the three statements produce same output?

Answer: B
Question 2

Question ID: UK8295518
How many of the below code statements, written inside main method will compile successfully?
1. var arr1 = new int[]{10};
2. var arr2 = new String[][] {};
3. var arr3 = new char[][] {{}};
4. var arr4 = {10, 20, 30};
5. var arr5 = new String[][] {new String[]{"LOOK"}, new String[] {"UP"}};
6. var [] arr6 = new int[] {2, 3, 4};

Answer: A
Question 3

Given code of Test.java file:
package com.examtest.ocp;

public class Test {
    private static String print(String... args) {
        return String.join("-", args); //Line n1
    }
    
    private static Object print(Object... args) {
        String str = "";
        for(Object obj : args) {
            if(obj instanceof String) { //Line n2
                str += (String) obj; //Line n3
            }
        }
        return str; //Line n4
    }
    
    public static void main(String... args) {
        Object obj1 = new String("SPORT"); //Line n5
        Object obj2 = new String("MAD"); //Line n6
        System.out.println(print(obj1, obj2)); //Line n7
    }
}
What is the result?

Answer: A
Question 4

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 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?

Answer: B
Page:    1 / 132      
Total 660 Questions | Updated On: Nov 24, 2025
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