[Jun 22, 2022] Free Java and Middleware 1z1-808 Exam Question [Q69-Q90]

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[Jun 22, 2022] Free Java and Middleware 1z1-808 Exam Question

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Who should take the 1Z0-808 exam

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NEW QUESTION 69
Given:

What is the result?

97 98 99 100 null null null

97 98 99 100 101 102 103

Compilation rails.

A NullPointerException is thrown at runtime.

An ArraylndexOutOfBoundsException is thrown at runtime.

NEW QUESTION 70
Which statement will empty the contents of a StringBuilder variable named sb?

sb. deleteAll ();

sb. delete (0, sb. size () );

sb. delete (0, sb. length () );

sb. removeAll ();

NEW QUESTION 71
Given:

What is the result?

Option A

Option B

Option C

Option D

NEW QUESTION 72
Given:

What is the result?

Option A

Option B

Option C

Option D

NEW QUESTION 73
Which statement is true about Java byte code?

It can run on any platform.

It can run on any platform only if it was compiled for that platform.

It can run on any platform that has the Java Runtime Environment.

It can run on any platform that has a Java compiler.

It can run on any platform only if that platform has both the Java Runtime Environment and a Java compiler.

Explanation
Java bytecodes help make “write once, run anywhere” possible. You can compile your program into bytecodes on any platform that has a Java compiler. The bytecodes can then be run on any implementation of the Java VM. That means that as long as a computer has a Java VM, the same program written in the Java programming language can run on Windows 2000, a Solaris workstation, or on an iMac.
References:

NEW QUESTION 74
Given the code fragment:

What is the result?

Execution terminates in the first catch statement, and caught a RuntimeException is printed to the console.

Execution terminates in the second catch statement, and caught an Exception is printed to the console.

A runtime error is thrown in the thread “main”.

Execution completes normally, and Ready to use is printed to the console.

The code fails to compile because a throws keyword is required.

NEW QUESTION 75
CORRECT TEXT
Given:

Which code fragment can replace the if block?

stuff.equals (“TV”) ? res= “Walter” : stuff.equals (“Movie”) ? res = “White” : res = “No Result”;

res = stuff.equals (“TV”) ? “Walter” else stuff.equals (“Movie”)? “White” : “No Result”;

res = stuff.equals (“TV”) ? stuff.equals (“Movie”)? “Walter” : “White” : “No Result”;

res = stuff.equals (“TV”)? “Walter” : stuff.equals (“Movie”)? “White” : “No Result”;

NEW QUESTION 76
Given the code fragment:

What is the result?

1:2:3:4:5:

1:2:3:

Compilation fails.

An ArrayoutofBoundsException is thrown at runtime.

NEW QUESTION 77
Given the code fragment:

What is the result?

1 3 5 71 3

1 31 3

1 31 3 0 0

1 3followed by an ArrayIndexOutOfBoundsException

Compilation fails.

NEW QUESTION 78
Given the code fragment:

Which code fragment prints red: blue: small: medium?

Option A

Option B

Option C

Option D

NEW QUESTION 79
Given the code fragment:

What is the result?

2012-02-10

2012-02-11

Compilation fails

A DateTimeException is thrown at runtime.

NEW QUESTION 80
Given:

How many MarkList instances are created in memory at runtime?

NEW QUESTION 81
Given the code fragment:

What is the result?

[Robb, Rick, Bran]

[Robb, Rick]

[Robb, Bran, Rick, Bran]

An exception is thrown at runtime.

NEW QUESTION 82
Given:

What is the result?

400 200

200 200

400 400

Compilation fails.

NEW QUESTION 83
Given the code fragment:

What is the result?

2012-02-10

2012-02-11

Compilation fails

A DateTimeException is thrown at runtime.

NEW QUESTION 84
Given the code fragment:

What is the result?

2 4

0 2 4 6

0 2 4

Compilation fails

NEW QUESTION 85
Given a java source file:

What changes will make this code compile? (Select Two)

Adding the public modifier to the declaration of class x

Adding the protected modifier to the x() constructor

Changing the private modifier on the declaration of the one() method to protected

Removing the Y () constructor

Removing the private modifier from the two () method

Using the private protected, instead of the private modifier, for the declaration of the one() method, would enable the two() method to access the one() method.

NEW QUESTION 86
Given the code fragment:

What is the result?

Sum is 600

Compilation fails at line n1.

Compilation fails at line n2.

A ClassCastException is thrown at line n1.

A ClassCastException is thrown at line n2.

Explanation/Reference:

NEW QUESTION 87
Which two statements are true? (Choose two.)

Error class is unextendable.

Error class is extendable.

Error is a RuntimeException.

Error is an Exception.

Error is a Throwable.

NEW QUESTION 88
Given:

Which two code fragments can be inserted at line n1?

String str = “Java”;

for(int iVal = 0; iVal <=5; iVal++){}

Test() {}

package p1;

import java.io.*;

NEW QUESTION 89
Given the code fragments: Which code fragment, when inserted at line n1, enables the code to print Hank?

checkAge (iList, ( ) -> p. get Age () > 40);

checkAge(iList, Person p -> p.getAge() > 40);

checkAge (iList, p -> p.getAge() > 40);

checkAge(iList, (Person p) -> { p.getAge() > 40; });

NEW QUESTION 90
Which three statements describe the object-oriented features of the Java language? (Choose three.)

Objects cannot be reused.

A subclass can inherit from a superclass.

Objects can share behaviors with other objects.

A package must contain more than one class.

Object is the root class of all other objects.

A main method must be declared in every class.

Explanation/Reference: http://www.javaworld.com/article/2075459/java-platform/java-101–object-oriented-language- basics–part-5–object-and-its-methods.html (see the sub title, Object is root of all classes not all other objects)

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[Jun 22, 2022] Free Java and Middleware 1z1-808 Exam Question [Q69-Q90]

Who should take the 1Z0-808 exam

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Who should take the 1Z0-808 exam

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