3. Trace the following three sections of code in the tables below. When the name of an array is givenin the trace chart, show the values of all elements of the arraypublic class Test2 {public static void main(String[ ] args) {IPART Aint[ ] arr = (10,20,30};int num=changelt(arr[1);IPART Bint] arri = (10,20,30);changeOne(arr1,1);/PART Cint] arr2 = (10,20,30);int] newArr = change Two(arr2);}// end mainstatic int changet(int n) { n = n*50; return n;}static void changeOne(int{ ] arr, int ndx) { arr{ndx]= arr{ndx]*4; }static int] changeTwo(int[ ] arr){tor (int i=0; karr.length; i++) arr[i])= arr(1]"5;return arr;}/ end classPART Aarr in main before invoke changeltn in changelt right before returnnum after invoke changeltarr after invoke changeltPART Barri in main betore invoke changeOnearr in changeOne after the assignmentarrl in main after invoke changeOnePART Carr2 In main before Invoke changeTwoarr in change Two after loop endsnewArr after invoke change Twoarr2 after invoke changeTwo

Here, elements are passed as value and thus original value doesn't gets effected arr in main…

3. Trace the following three sections of code in the tables below. When the name of an array is given in the trace chart, show the values of all elements of the array public class Test2{ public static void main(String[ ] args) { IPART A int[ ] arr = (10,20,30}; int num=changeltfarr1); IPART B int] arri = (10,20,30}; changeOne(arri,1); IPART C int] arr2 = (10,20,30); intj newArr = changeTwo(arr2); }/ end main static int changet(int n) { n = n*50; return n;}

3. Trace the following three sections of code in the tables below. When the name of an array is given in the trace chart, show the values of all elements of the array public class Test2{ public static void main(String[ ] args) { IPART A int[ ] arr = (10,20,30}; int num=changeltfarr1); IPART B int] arri = (10,20,30}; changeOne(arri,1); IPART C int] arr2 = (10,20,30); intj newArr = changeTwo(arr2); }/ end main static int changet(int n) { n = n*50; return n;}

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

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3. Trace the following three sections of code in the tables below. When the name of an array is given
in the trace chart, show the values of all elements of the array
public class Test2 {
public static void main(String[ ] args) {
IPART A
int[ ] arr = (10,20,30};
int num=changelt(arr[1);
IPART B
int] arri = (10,20,30);
changeOne(arr1,1);
/PART C
int] arr2 = (10,20,30);
int] newArr = change Two(arr2);
}// end main
static int changet(int n) { n = n*50; return n;}
static void changeOne(int{ ] arr, int ndx) { arr{ndx]= arr{ndx]*4; }
static int] changeTwo(int[ ] arr){
tor (int i=0; karr.length; i++) arr[i])= arr(1]"5;
return arr;
}/ end class
PART A
arr in main before invoke changelt
n in changelt right before return
num after invoke changelt
arr after invoke changelt
PART B
arri in main betore invoke changeOne
arr in changeOne after the assignment
arrl in main after invoke changeOne
PART C
arr2 In main before Invoke changeTwo
arr in change Two after loop ends
newArr after invoke change Two
arr2 after invoke changeTwo

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