EXPERTY DESIGNED 1Z0-808 PRACTICE TEST

Oracle 1Z0-808 Exam Questions
Total Questions: 608
Java SE 8 Programmer I
Updated On: Nov 12, 2025
Page : 1-61
Question 1

Which of the following method is declared in Predicate interface?

Options :
Answer: D

Question 2

Given this code for a Planet object:

HPE6-A70
What is the output?

Options :
Answer: C

Question 3

What will be the result of compiling and executing Test class?

package com.udayan.oca;

 

public class Test {

    public static void main(String[] args) {

        m1(null);

    }

    

    static void m1(CharSequence s) {

        System.out.println("CharSequence");

    }

    

    static void m1(String s) {

        System.out.println("String");

    }

   

    static void m1(Object s) {

        System.out.println("Object");

    }

}

Options :
Answer: D

Question 4

Given:

HPE6-A70
What is the result?

Options :
Answer: A

Question 5

Given code:

package com.udayan.oca;

 

public class Test {

    public static void main(String[] args) {

        /*INSERT*/

        arr[1] = 5;

        arr[2] = 10;

        System.out.println("[" + arr[1] + ", " + arr[2] + "]"); //Line n1

    }

}

And below statements:

1. short arr [] = new short[2];

2. byte [] arr = new byte[10];

3. short [] arr; arr = new short[3];

4. short [2] arr;

5. short [3] arr;

6. int [] arr = new int[]{100, 100};

7. int [] arr = new int[]{0, 0, 0, 0};

8. short [] arr = {};

9. short [] arr = new short[2]{5, 10};

How many above statements can be used to replace /*INSERT*/, such that on execution, code will print [5, 10] on to the console?

Options :
Answer: C

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