Get 1z0-811 Actual Free Exam Q&As to Prepare for Your Oracle Certification [Q18-Q42]

Get 1z0-811 Actual Free Exam Q&As to Prepare for Your Oracle Certification

Oracle Actual Free Exam Questions And Answers

Q18. Which method identifier is correct according to Java naming conventions?

 BillCalculator

 calculateBill

 calculatebill

 Calculator

Q19. Given the code fragment:

What is the result?

 10 20
10 15 20

 A runtime exception is thrown.

 10 20
10 20

 A compilation error occurs.

Q20. Identify three features of the Java programming language.

 distributed

 direct memory management

 multithreaded

 strongly typed

 dynamically typed

Q21. Given the code fragment:

What is the result?

 456789

 4567889

 45678

 3456789

Q22. Given the code fragment:

What is the result?

 false
true

 true
true

 false
false

 A runtime exception is thrown

Q23. Given the code fragment:

What is the result?

 9
12

 10
10

 9
9

 10
14

Q24. Given the code fragment:

What is the result?

 [ BETATEST ]

 [betaTest]

 [ betaTest ]

 [BETATEST]

Q25. Given:

What is the result?

 The program compiles and nothing is printed.

 Iteration plus an increasing number is printed 100 times.

 Iteration plus an increasing number is printed 99 times.

 An error occurs during compilation.

Q26. Given:

Which statement, when inserted at line n1, enables the Course class to compile?

 int newFee;

 double newFee;

 long newFee;

 float newFee;

Q27. Given the classes:

Which two modifications, independently, enable the Salad.java file to compile?

 Replace line n1 with import fruits.Apple.getApple();

 Replace line n1 with import fruits.Apple;

 Replace line n1 with import fruits;

 Replace line n2 with fruits.Apple apple = new Apple ();

 Replace line n2 with fruits.Apple apple = new fruits.Apple ();

Q28. Given the code

What is the result?

 The program executes indefinitely.

 num = 100

 num = 99

 num = 0

Q29. Given:

What is the result?

 The code fails to compile. To make it compile, at line n1 insert:
this () { }

 The code fails to compile. To make it compile, at line n2 insert:
this ();

 The code fails to compile. To make it compile, at line n1 insert:
Bus () { }

 The code compiles and prints:
default

luxury

Q30. Given the contents of Student.java:

Which statement is true?

 The commands:
javac Student.java
java Student Richard William Java
throw an error about a missing Course.class file.

 The commands:
javac Course.java
javac Student.java
java Course
java Student “Richard William” Java
are used to print Richard William is studying Java.

 The commands:
javac Student.java
java Student Richard William Java
are used to print Richard William is studying Java.

 The commands:
javac Student.java
java Student “Richard William” Java
are used to print Richard William is studying Java.

Q31. Which package would you import to use the Random class?

 java.io

 java.math

 java.util

 java.lang

Q32. What does import java.io* mean?

 Only the io class is imported.

 All classes in the io package are imported.

 All classes whose names start with io are imported.

 All classes in the io package and the subpackages of io packages, if any, are imported.

Q33. Given the code fragment:

Which statement is true?

 The code results in a compilation error. To make it compile, insert at line n1:
import java.lang.Math;
import java.lang.Random;

 The code compiles successfully

 The code results in a compilation error. To make it compile, insert at line n1:
import java.lang;
import java.util;

 The code results in a compilation error. To make it compile, insert at line n1:
import java.util.*;

Q34. Identify two Java reserved words.

 array

 true

 this

 exception

 string

Q35. Given:

What is the result?

 A compilation error occurs in the modify method.

 99

 5

 A compilation error occurs in the main method.

Q36. Which statement is true about a Java method?

 It must be declared with an access modifier.

 It cannot be defined within another method.

 It must accept a parameter and return a value.

 It cannot be defined as static final.

Q37. Identify three advantages of object-oriented programming.

 separation of state and behavior

 modularity

 information sharing

 code reuse

 information hiding

Q38. Given the code fragment:

What is the result?

 pen pencil erasers paper

 paper pen pencil erasers

 A compilation error occurs.

 A runtime exception is thrown.

Q39. Given:

Which statement is true about the main method?

 It can be a non-static method.

 Its parameter can be of type Integer [].

 It cannot be defined in a non-public class.

 It cannot be invoked by its name.

Q40. Given the code fragment:

Which statement, when inserted at line n1, enables the code to print 0 2 4 6 8 10?

 count = (count++) +1;

 count = count++;

 count =+ 2;

 count += 2;

Q41. Given the code fragment:

Which code fragment, when inserted at line n1, enables the code to print one?

 char var = ‘1’;

 String var = “1”;

 int var = 1;

 String var = 1;

Q42. Which statement is true about exception handling?

 At least one catch block must accompany a try statement.

 All statements in a try block are executed, even if an exception occurs in the middle of the try block.

 At least one statement in a try block must throw an exception.

 All catch blocks must be ordered from general to most specific.

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