How to swap two String values without using a
third variable?
Answer Posted / shyambaishya
Using Java:
===========
String s1 = "Shyam Sundar Baishya" ;
String s2 ="Dilip Kumar";
System.out.println("Before swapping ............");
System.out.println("s3 == "+s1);
System.out.println("s4 == "+s2);
s1= s1+s2;
System.out.println("....................");
System.out.println("After swapping ............");
s2 = s1.substring(0,(s1.length()-s2.length()));
s1 = s1.substring(s2.length(),(s1.length()));
System.out.println("s3 == "+ s1);
System.out.println("s4 == "+ s2);
| Is This Answer Correct ? | 49 Yes | 10 No |
Post New Answer View All Answers
hii I inntrested abt scjp certification but i dont knw abt scjp plz send details abt scjp exam and syllabus.
What is the difference between CLEAR & RESET and OPEN & CLOSE OPCOEDS(USING RPG/400).wheare we can use this?can any body tell me in real time senario with example please?
I m Abdullah Ansari compleated MCA from Jamia Hamdard,i have appeared the test of IBM on 2 august at oxford college of engineering Bangalore.waiting for hr round.. This is the first round for IBM.02/08/08 Paper consists of 4 sections 15 questions from matrices(time very less but no negative marking). 25 questions from series completion section (this section is very easy but negative marking) 15 questions from aptitude(little bit tough time limit 15 minute negative marking) 4th section is from computer science (c,c++,operating system,digital electronics ,basic question..) result came at 3 o'clock.i was selected... In interview they asked questions like 1 they asked about final yr project.. 2 what are dynamic and static memory location? 3 linked list and array difference between them. 4 what is function ? what is difference betwen function and inline function? 5 about structure 6 about binary tree, traversal, call by value. 7 storage class and many more basic questions..
how does database connection using ADO.NET?
there are N number of matchboxes numbered 1...N.each matchbox contain various number of stick.Two player can alternatevely pick some amount of stick from the higest stick containing box . The player is condidered win if there is no stick after his move.Find the final move so that the move player win. Note:In case the number of stick is equal ,pick the stick from the higest numbered box. eg: 3 box contain stick as:1,1,1. if u take 1 stick from 3rd numbred box you will any how win the match.
what are other resources are needed for this mantis?
How to print No.of.rows affected after updation using ADO.Net
Hey this is venkatesh.Please can any body tell me what is SFLNXTCHG?where we use this keyword?what perpuse we use this?Can you tell me in real time senario with example? And in 7 specification(RPG/400)what is the mandatory specification using programs?
what is dot net framework
Write a shell program where you enter a number which corresponds to K.M. Find out the corresponding values in m, cm, inches, and feet. Hints:- 1 k.m= 1000 m 1 m= 100 cm 1 inches= 2.54 cm. 1 feet= 12 inches
What is the use of sas software? Is sas and sap are different?
what is difference between input parameter and output parameter.
Write a shell program to test whether a given year is leap year or not ?
what is the similarity between networking devices?
Tag for turning an image into a hyperlink is