Answered: Below is the code in Java to add 2…

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

Below is the code in Java to add 2 binary Numbers:

Both the codes execute,

Could someone explain which code is much efficient and the differences between both codes,

By testing with different inputs.

public void add(BinaryNumber aBinaryNumber) {

Code 1:
if(getLength() != aBinaryNumber.getLength()) {

System.out.println("Lengths of numbers to be added is different. ");
}
else {
int carry = 0;

for(int i = 0; i < data.length; i++) {
int z = carry + getDigit(i) + aBinaryNumber.getDigit(i);

if(z >= 10) {
z = z - 10;
carry = 1;
}
else {
carry = 0;
}
data[i] = z;
}

if(carry != 0) {
overFlow = true;
}
}

Code 2:
int data1[] = new int[aBinaryNumber.getLength()];
data1 = aBinaryNumber.getBinary();
int carry = 0;
if(data.length == data1.length) {
for(int i=0; i<data.length; i++) {
int t = (carry + data[i] + data1[i]);
if(t == 0) {
data[i] = 0;
carry = 0;
} else if(t == 1) {
data[i] = 1;
carry = 0;
} else if(t == 2) {
data[i] = 0;
carry = 1;
} else if(t == 3) {
data[i] = 1;
carry = 1;
}
}
if(carry == 1) {
overflow = true;
}
}
else {
System.out.println("The lengths of the binary numbers do not match.");
}
}