Java Assignment

Part C

QUESTION 1

A double is more precise than a float.

 True

 False

QUESTION 2

char is a valid identifier.

 True

 False

QUESTION 3

Which one of these is not a primitive data type? _________________ .

QUESTION 4

The two floating point data types are  _____  and _____

QUESTION 5

String literals are surrounded by  _____ quotes

QUESTION 6

By convention, method names, instance variables and object names start with a lowercase letter.

 True

 False

QUESTION 7

When an object reference is first declared, its value is null.

 True

 False

QUESTION 8

By convention, class names start with a capital letter.

 True

 False

QUESTION 9

OOP stands for  _________________

QUESTION 10

The operations for a class are called  _____

QUESTION 11

The special method that we call when instantiating an object is called a _____

QUESTION 12

API stands for  _____

QUESTION 13

An applet is an extension of the JApplet class.

 True

 False

QUESTION 14

Which package is the Graphics class part of? _________________ .

QUESTION 15

Which applet method is called automatically when the applet needs to redraw itself? _________________ .

QUESTION 16

What is an applet viewer?

QUESTION 17

Complete the code, changing the color of the Graphics reference g to a color with red=100, green=200, blue=60

public void paint( Graphics g )

{

// your code goes here

}

QUESTION 18

Complete the code, drawing a line between points (100, 200) and (34, 67)

public void paint( Graphics g )

{

// your code goes here

}

QUESTION 19

The 4 relational operators, >, >=, <, <= are binary operators.

 True

 False

QUESTION 20

!( a > 3 ) is equivalent to  _________________ .

QUESTION 21

What is the output of the following code? _________________ .

int age = 30;

if ( age > 33 )

System.out.print( 1 );

else

System.out.print( 2 );

System.out.println( 3 );

QUESTION 22

When we use a while loop, we always know in advance how many times the loop body will be executed.

 True

 False

QUESTION 23

When reading data from a file using a while loop, the typical condition to exit the loop is when  ___________.

QUESTION 24

Write a loop to output the word EXAM 99 times

QUESTION 25

Write a loop to calculate the total of all the numbers between 100 and 200 included (i.e. 100 + 101 + … + 199 + 200); output the total.