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NEW QUESTION 13
Given:

What is the result?

[null:-]

[ : ]

[null:null]

[:null]

NEW QUESTION 14
Given the code fragment:

At which line does a compilation error occur?

lines 5 and 7

line 7

lines 6 and 8

line 5

NEW QUESTION 15
Given the code fragment:

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

System.out.println(name + “:” + count);

System.out.println(c.name + “:” + count);

System.out.println(c.name + “:” + Course.count);

System.out.println(Course.name + “:” + c.count);

NEW QUESTION 16
Given the contents of the Test.java file:

What is the result?

200 : 400

A compilation error occurs at line n1.

A compilation error occurs at line n2.

100 : 400

NEW QUESTION 17
Given the code fragment:

What is the result?

The program executes an infinite number of times.

NEW QUESTION 18
Given the code fragment:

What is the result?

[jasmine, rose, lily]

A runtime exception is thrown.

[jasmine, lily, lotus]

[jasmine, rose, lotus, lily]

NEW QUESTION 19
Which statement is true about a mutator method?

It replaces the default constructor.

It returns mutated instance members.

It must be declared private.

It can be used to assign data to instance members.

NEW QUESTION 20
Given the code fragment:

Which code fragment, when inserted at line n1, enables it to print Rita is 14 years old?

System.out.println(“%s is %d years old” +name+age);

System.out.println(“%s is %n years old” name, age);

System.out.printf(“%s is %d years old”, name, age);

System.out.printf(“%s is %n years old”, name, age);

NEW QUESTION 21
Which method identifier is correct according to Java naming conventions?

BillCalculator

calculateBill

calculatebill

Calculator

NEW QUESTION 22
Given the code fragment:

What is the result?

456789

4567889

45678

3456789

NEW QUESTION 23
Given the code fragment:

What is the output?

A compilation error occurs.

NEW QUESTION 24
Given the code

What is the result?

The program executes indefinitely.

num = 100

num = 99

num = 0

NEW QUESTION 25
Given the code fragment:

What is the result?

A compilation error occurs.

A runtime exception is thrown.

Julia
Peter

Peter
Julia

NEW QUESTION 26
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.

NEW QUESTION 27
Identify three advantages of object-oriented programming.

separation of state and behavior

modularity

information sharing

code reuse

information hiding

NEW QUESTION 28
Identify two valid data types for the operands of the addition (+) operator?

string

boolean

numeric

array

NEW QUESTION 29
Given:

What is the result?

Compilation fails. To make it compile, replace line n1 with var1 = 0;

Compilation fails. To make it compile, replace line n2 with var2 = 0;

Nothing is printed.

NEW QUESTION 30
You have been asked to develop a Java program that prints the elements of an array in reverse order.
Which looping statement cannot be used to meet the requirement?

enhanced for

standard for

while

do-while

NEW QUESTION 31
Given the classes:

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