$(2$ pts$)$ In an array declaration, this indicated the number of elements that the array will have.

subscript

size declarator

element sum

reference variable

$2.$

$(2$ pts$)$ The last subscript in an array is always $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$100$

$0$

$-1$

$1$ less than the number of elements

$3.$

$(2$ pts$)$ This array field holds the number of elements that the array has

size

elements

length

width

$4.$

$(2$ pts$)$ This type of method cannot access any non$-$static member variables in its own class.

instance

void

static

non$-$static

$5.$

$(2$ pts$)$ Making an instance of one class a field in another class is called $\_\_\_\_\_\_\_.$

nesting

class fielding

aggregation

concatenation

$2$

$6.$

$(2$ pts$))$ If you write this method for a class, Java will automatically call it any time you concatenate an object of the class with a string

toString

plusString

stringConvert

concatString

$7.$

$(2$ ptsThe String class has several overloaded versions of a method that accepts a value of any primitive data type as its argument and returns a string representation of the value. The name of the method is $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

stringValue

valueOf

getString

valToString

$8.$

$(2$ pts$)$ To change the value of a specific character in a StringBuilder object, use this method.

changeCharAt

setCharAt

setChar

change

$9.$

$(2$ pts$)$ The character that separated tokens in a string is known as a $\_\_\_\_\_\_\_\_\_\_\_\_$

separator

tokenizer

delimiter

Terminator

$10.$

$(2$ pts$)$ This String method breaks a string into tokens.

break

tokenize

getTokens

split

$9$

Part $2(80$ pts$)$

$1.$

Write a statement that declares an integer array named test. Initialize the array with the following values: $20,71,-9,10,56(4$ points$)$

$2.$

Write a loop $($while or for$)$ that displays the contents of a double array $($named temp$).$ Assume that the array was created and initialize with values. $(6$ points$)$

$9$

$3.$

Write a method that accepts an integer array as an argument and returns the sum of the values of the array plus $4(15$ points$)$

$9$

$4.$

Given the following code, what is the output$(6$ points$)$

import java.util.ArrayList;

public class Pg$4\{$

public static void main$($String$[]$ args$)$

$\{$

ArrayList pets $=$ new ArrayList$()$;

pets.add$("$Duncan$")$;pets.add$("$Miles$")$;for $($int i $=0$; i $<$ pets.size$()$; i$++)\{$ System.out.println$($pets$.$get$($i$))$;$\}$System$.$out.println$($pets$.$get$(1))$;

$\}$

Output:

$9$

$5.$

Write a method $($just the method$)$ called checkDigit that accepts a String as its argument. The method should return true if the string contains a digit, otherwise, it should return false. $(15$ points$)$

$9$

$6.$

Write a loop that counts the number of lowercase characters that appear in the String object str$.(10$ points$).$

$7.$ What would be the output if you call this method with the argument $2,4,6,11$ in a println statement from the main method? $(8$ points$)$

public static int testString$($String str$)\{$ int count $=0$; String$[]$ s $=$ str$.$split$(",")$; for $($int i $=0$; i $<$ s$.$length; i$++)\{$ if $($Integer$.$parseInt$($s$[$i$])>10)\{$ count$++$; System.out.println$("$Below $20")$; $\}\}$ return count;

Answer : $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$9$

$8.$

EXTRA CREDIT $(18$ POINTS$)$

Write a Java program $($complete program with main$)$ with the following properties:

Has a $2-$dimensional integer array with $3$ rows and $3$ columns $(2$ points$)$

Assign any values to the elements in the array $(4$ points$)$

Find the largest value in the array $(5$ points$)$

Find the smallest value in the array $(5$ points$)$

Output the largest value and the smallest value to the screen $(2$ points$)$