Java 1.1 to 2.1

Java 1.1 to 2.1

12th Grade

16 Qs

quiz-placeholder

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Java 1.1 to 2.1

Java 1.1 to 2.1

Assessment

Quiz

Other

12th Grade

Hard

Created by

PRESTON COLE

Used 1+ times

FREE Resource

16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Topic 1.1: Describe the use of main in a Java app

Imagine you're a wizard in the magical world of Java. What's the right spell to summon an instance of your own class in the main function?

MyClass myObject = new MyClass();

MyClass myObject = MyClass();

myObject = MyClass.new;

new myObject = MyClass();

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Topic 1.1: Describe the use of main in a Java app

How can you pass command-line arguments when running a Java application?

Separate them by commas

Put them in square brackets

Separate them by spaces

Enclose them in double quotes

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Topic 1.2: Perform basic input and output using standard packages

  1. Which method of the Scanner class reads a whole line from standard input?

readLine()
nextLine()
read()
next()

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Topic 1.2: Perform basic input and output using standard packages

Which import statement is necessary for using Scanner class?

import java.util.Scanner;
import java.util.Input;
import java.util.Output;
import java.util.IO;

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Topic 1.3: Evaluate the scope of a variable

  1. What will be the scope of a variable declared inside a for-loop?

Class scope

Instance scope

Block scope
Function scope

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Topic 1.3: Evaluate the scope of a variable

What happens if you try to access a local int variable before it's initialized?

A runtime error occurs

The variable will be automatically initialized to the default value for an int, which is 0.

A compilation error occurs

None of the above

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Topic 1.4: Comment and document programs

  1. Which symbol marks the beginning of a Javadoc comment?

/*
/**
//
#

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