EXPERTY DESIGNED 1Z0-808 PRACTICE TEST

Oracle 1Z0-808 Exam Questions
Total Questions: 608
Java SE 8 Programmer I
Updated On: Jan 04, 2026
Page : 1-61
Question 1

Consider below code of Test.java file:

1. package com.sampleproject.oca;

2.  

3. public class Test {

4.     public static void main(String[] args) {

5.         int i = 1;

6.         int j = 5;

7.         int k = 0;

8.         A: while(true) {

9.             i++;

10.             B: while(true) {

11.                 j--;

12.                 C: while(true) {

13.                     k += i + j;

14.                     if(i == j)

15.                         break A;

16.                     else if (i > j)

17.                         continue A;

18.                     else 

19.                         continue B;

20.                 }

21.             }

22.         }

23.         System.out.println(k);

24.     }

25. }

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

Options :
Answer: C

Question 2

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

package com.udayan.oca;

 

public class Test {

     public static void main(String[] args) {

         String str1 = " ";

         boolean b1 = str1.isEmpty();

         System.out.println(b1);

         str1.trim();

         b1 = str1.isEmpty();

         System.out.println(b1);

     }

}

Options :
Answer: A

Question 3

Which of the following is a checked Exception?

Options :
Answer: D

Question 4

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

1. package com.udayan.oca;

2.  

3. import java.util.ArrayList;

4. import java.util.List;

5.  

6. public class Test {

7.      public static void main(String[] args) {

8.          List list = new ArrayList<>();

9.          list.add(100);

10.          list.add(200);

11.          list.add(100);

12.          list.add(200);

13.          list.remove(new Integer(100));

14.  

15.          System.out.println(list);

16.      }

17. }

Options :
Answer: E

Question 5

Consider below codes of 3 java files:

1. //M.java

2. package com.sampleproject.oca;

3.  

4. public class M {

5.     public void printName() {

6.         System.out.println("M");

7.     }

8. }

1. //N.java

2. package com.sampleproject.oca;

3.  

4. public class N extends M {

5.     public void printName() {

6.         System.out.println("N");

7.     }

8. }

1. //Test.java

2. package com.sampleproject.oca.test;

3.  

4. import com.sampleproject.oca.*;

5.  

6. public class Test {

7.     public static void main(String[] args) {

8.         M obj1 = new M();

9.         N obj2 = (N)obj1;

10.         obj2.printName();

11.     }

12. }

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

Options :
Answer: C

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