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1z0-811 by Oracle - Page 1 | ExamCademy | ExamCademy

Exams
Oracle
1z0-811

1z0-811Preview

By Oracle

Updated

25Q per page

Mode Selection

Question 1

Question 2

Question 3

Given:

Question 4

Given:

Question 5

Which two Java reserved words are used to implement encapsulation?

A final
B static
C public
D extends
E private

Question 6

Given the code fragment:

Question 7

Which two statements are true about the Java Runtime Environment (JRE)?

A It is responsible for garbage collection.
B It interprets bytecode stored in a .class file.
C It contains the JDK and Java APIs.
D It is platform independent.
E You must install the JRE to compile a .java file.

Question 8

Identify two features of Java.

A architecture dependent
B platform independent
C single threaded
D robust

Question 9

Given:

Question 10

Given the code fragment:

Question 11

Given the code fragment:

Question 12

Given the code fragment:

Question 13

Given the code fragment:

Question 14

Given the code fragment:

Question 15

Given the code fragment:

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Which statement is true about primitive variables?

A They can be compared with the == operator.
B They can be compared with the equals method only.
C They cannot be compared.
D They can be compared with the compareTo method only.

Given the code fragment:

Which code fragment, when inserted at line n1, enables the code to print Java Programming:1?

A System.out.println(name + “:” + count);
B System.out.println(c.name + “:” + count);
C System.out.println(c.name + “:” + Course.count);
D System.out.println(Course.name + “:” + c.count);

Why does the compilation fail?

A The option variable is not initialized.
B The order of case labels is incorrect.
C The option data type is incorrect.
D The break statement is missing.

What is the result?

A [null:-]
B [ : ]
C [null:null]
D [:null]

Which code fragment can be inserted at line n1 to enable the code to print 0.0?

A Ball b = null; b.weight = 0.0;
B Ball.weight = 0.0;
C Ball b = new Ball(0.0);
D Ball b = new Ball();

What is the result?

A 300
B 100
C 200
D A compilation error occurs.

What is the result?

A A compilation error occurs.
B A runtime exception is thrown.
C Julia - Peter
D Peter - Julia

What is the result?

A 9 12
B 10 10
C 9 9
D 10 14

What is the result?

A 2
B 4
C The program executes an infinite number of times.
D 3

What is the result?

A Unknown issues. Invalid divisor.
B Unknown issues.
C Invalid divisor.
D A compilation error occurs.

What is the result?

A 3
B A compilation error occurs.
C 2
D 0

What is the result?

A Selected null flavor.
B Selected Chocolate flavor.
C An ArrayIndexOutofBoundsException is thrown at run time.
D Selected Chocolate flavor. Thank you!