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Guide for Oracle-1z0-808

Quiz Oracle-1z0-808

10/431 Questions|Updated on 2022/11/04
Free Test
/ 10

Quiz

1/10
Given the following method from the java.util.Arrays Method Summary: static void sort(long[] a) And given, 1. public class Sorter{ 2. public static void main(String []args){ 3. int[] a = {3,1,22,5,11,2}; 4. sort(a); 5. } 6. } Which of the following will make this code works?
Select the answer
1 correct answer
A.
By adding the import statements “import static java.util.Arrays.sort;”
B.
By adding the import statement “static import java.util.Arrays.*;”
C.
By adding the import statement “import java.util.Arrays.*;”
D.
By adding the import statement “import java.util.Arrays.sort;”
E.
By adding the import statement “import static java.util.*;”

Quiz

2/10
Which is of the following can appear before the package statements in a java file?
Select the answer
1 correct answer
A.
Comments.
B.
Another package statement.
C.
Class statements and/or comments
D.
Lambda expression.
E.
Any of above

Quiz

3/10
Which is/are true? I. Scope of a local variable is lesser than scope of an instance variable. II. The instance variables are only visible to the methods in which they are declared. III. The variable “i” in the declaration “int i = 12” should be an instance variable.
Select the answer
1 correct answer
A.
Only I.
B.
Only II.
C.
Only I and II.
D.
Only I and III.
E.
None

Quiz

4/10
Consider following directory structure. (Assume that current directory is same directory where “com” is located. com - - -| |- Abc.class |- -foo - -| |- One.class |- Two.class |- bar - -| |- Test.class Now consider the following import statement; import com.*; Which of the following set shows the set of the classes which will be imported when used above statement?
Select the answer
1 correct answer
A.
Abc, One, Two, Test
B.
One, Two, Test
C.
One, Two
D.
Abc, One, Two
E.
None of above.

Quiz

5/10
Given 1. public class Program{ 2. public static void main(int []i){ 3. System.out.print("AB"); 4. } 5. public static void main(String... c){ 6. System.out.print("BC"); 7. } 8. public static void main(String [][]c){ 9. System.out.print("CD"); 10. } 11. } What is the result?
Select the answer
1 correct answer
A.
AB
B.
BC
C.
CD
D.
An Error is thrown at the runtime, stating that, Main method not found in class Pro.
E.
Compilation fails.

Quiz

6/10
Given 1. public class Program{ 2. 3. static int x = 11; 4. private int y = 33; 5. 6. public static void main(String args[]){ 7. Program pro = new Program(); 8. pro.method(5); 9. System.out.print(Program.x); 10. System.out.print(" " + pro.x); 11. System.out.print(" " + pro.y); 12. } 13. 14. public void method(int x){ 15. x = 10; 16. y = 12; 17. } 18. } What is the result?
Select the answer
1 correct answer
A.
10 10 33
B.
11 11 33
C.
11 11 12
D.
11 22 12
E.
Compilation fails.

Quiz

7/10
Given 1. public class Program{ 2. static int x = 2; 3. public final static void main(String[] a){ 4. int []a = new int[x]; 5. a[2] = 2; 6. for (int i:a) 7. System.out.print(i); 8. } 9. } What is the result?
Select the answer
1 correct answer
A.
0 2
B.
2
C.
An exception is thrown.
D.
Compilation fails.
E.
None of above.

Quiz

8/10
Which of the following lines will compile without warning or error?
Select the answer
1 correct answer
A.
float f=1.3;
B.
char ch="a";
C.
boolean b=0;
D.
int y = 2.3;
E.
char c=65;

Quiz

9/10
Given 1. public class Program{ 2. static int x = 20; 3. public static void main(String args[]){ 4. Program pr = new Program(); 5. pr.x = 5; 6. int y = x/pr.x; 7. System.out.print("y ="); 8. System.out.print(); 9. System.out.print(y); 10. } 11. } What will be the result?
Select the answer
1 correct answer
A.
y = 1
B.
y = 2
C.
y = 3
D.
Compilation fails due to an error on line 6.
E.
Compilation fails due to an error on line 8.

Quiz

10/10
Given 1. public class Program{ 2. static int x = 20; 3. public static void main(String args[]){ 4. Program pr = new Program(); 5. pr.x = 5; 6. int y = x/pr.x; 7. System.out.print("y = "); 8. System.out.print(y); 9. } 10. } What will be the result?
Select the answer
1 correct answer
A.
y = 4
B.
y = 2
C.
y = 1
D.
Compilation fails due to an error on line 6.
E.
Compilation fails due to an error on line 8.
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Info quiz:

  • Quiz name:Oracle-1z0-808
  • Total number of questions:431
  • Number of questions for the test:50
  • Pass score:80%

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