How to swap two variables, without using third variable ?

Answer Posted / swamy

class SwapDemo
{
int a,b;
void swap(int a,int b)
{
a=a+b;
b=a-b;
a=a-b;
}
public static void main(String args[])
{
SwapDemo s=new SwapDemo();
s.swap(12,14);
}
}

Is This Answer Correct ?    1 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is full form of PEPSI

2116


could you please send the program code for multiplying sparse matrix in c????

3274


write a program for area of circumference of shapes

2223


Hi, i have a project that the teacher want a pyramid of numbers in C# or java...when we click a button...the pyramid should be generated in a listbox/or JtextArea...and the pyramid should have the folowing form: 1 232 34543 4567654 567898765 67890109876 7890123210987 890123454321098 90123456765432109 0123456789876543210 Plz help with codes...didn't find anything on the net.

2886


Set up procedure for generating a wire frame display of a polyhedron with the hidden edges of the object drawn with dashed lines

3243






What is the match merge ? compare data step match merge with proc sql merge - how many types are there ? data step vs proc sql

2622


can you use proc sql to manpulate a data set or would u prefer to use proc report ? if so why ? make up an example and explain in detail

2562


Given a spherical surface, write bump-mapping procedure to generate the bumpy surface of an orange

3072


why do you use macros? Explain a situation where you had to incorporate macros in your proc report? use a simple instream data example with code ?

2496


write a c program to input initial & final time in the format hh:mm and find the time intervel between them? Ex inputs are initial 06:30 final 00:05 and 23:22 final 22.30

2434


Design an implement of the inputs functions for event mode

3162


3) Int Matrix of certain size was given, We had few valu= es in it like this. =97=97=97=97=97=97=97=97=97=97=97 1 = | 4 | | 5 | &= nbsp; | 45 =97=97=97=97=97=97=97=97=97=97=97 &n= bsp; | 3 | 3 | 5 | = | 4 =97=97=97=97=97=97=97=97=97=97=97 34 |&nbs= p; 3 | 3 | | 12 | &= nbsp; =97=97=97=97=97=97=97=97=97=97=97 3 | &nbs= p; | 3 | 4 | = | 3 =97=97=97=97=97=97=97=97=97=97=97 3 | = ; | | | = ; 3 | =97=97=97=97=97=97=97=97=97=97=97 &= nbsp; | | 4 | = ; | 4 | 3 We w= ere supposed to move back all the spaces in it at the end. Note: = If implemented this prog using recursion, would get higher preference.

3504


how to test pierrot divisor

2457


How can you relate the function with the structure? Explain with an appropriate example.

3125


How do you verify if the two sentences/phrases input is an anagram using predefined functions in string.h and by using arrays?

2251