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QUESTION 13
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.

QUESTION 14
Given:

What is the result?

A compilation error occurs.

QUESTION 15
Which package would you import to use the Random class?

java.io

java.math

java.util

java.lang

QUESTION 16
Given the code fragment:

What is the result?

25.67

25.00

25.7

QUESTION 17
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.

QUESTION 18
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.

QUESTION 19
Given the code fragment:

What is the result?

QUESTION 20
Which two Java reserved words are used to implement encapsulation?

final

static

public

extends

private

QUESTION 21
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

QUESTION 22
Given the code fragment:

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

new int num[];

int[] num;

int[10] num;

int num[10];

QUESTION 23
Identify two features of Java.

single threaded

architecture dependent

robust

platform independent

QUESTION 24
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.

QUESTION 25
Given the code fragment:

What is the result?

Unknown issues.
Invalid divisor.

Unknown issues.

Invalid divisor.

A compilation error occurs.

QUESTION 26
Which two components can class declarations include?

A list of instance methods

The main method

Interfaces implemented by the class

The public modifier

QUESTION 27
Given:

What is the output?

1 2 3 aaaa

1 2 aaa

Compilation fails

QUESTION 28
Given the code

What is the result?

The program executes indefinitely.

num = 100

num = 99

num = 0

QUESTION 29
Given the code fragment:

What is the result?

a memory address1 in hexadecimal number format
a memory address2 in hexadecimal number format

10, 15
[10, 15]

0, 10, 15
[10, 15, null]

a memory address in hexadecimal number format
[10, 15]

QUESTION 30
Given the code fragment:

What is the result?

false
false
false
false

true
false
false
false

true
true
true
true

true
true
true
false

QUESTION 31
Given the code fragment:

Which for loop statement can be used to print 135?

for(int idx = 1; idx < arr.length; idx+=2) {
System.out.print (arr[idx]);
}

for(int idx = 1; idx < arr.length-1; idx++) {
System.out.print (arr[idx++]);
}

for(int idx = 0; idx < arr.length; idx++) {
System.out.print (arr[idx]);
}

for(int idx = 0; idx < arr.length; idx+=2) {
System.out.print (arr[idx]);
}

QUESTION 32
Given:

What is the result?

100
200

A compilation error occurs at line n2.

A compilation error occurs at line n1.

100
100

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Prepare for your exam certification with our 1z1-811 Certified Oracle [Q13-Q32]

Prepare for your exam certification with our 1z1-811 Certified Oracle [Q13-Q32]

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