An Transformgroups sollte man in den Attributes nichts verändern, weil Änderungen meist nur Fehler verursachen es sei denn, man weis was man macht!
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Given some time and trial error, I eventually come out with a solution with just arithmetic operator but interviewer was keep asking about other approaches of swapping two variables without using temp or third variable. Personally, I liked this question and included in list o f my programming interview question bec ause of its simplicity and some logical work, it force you to do. When learned bit-wise operation in Java I eventually find another way of swapping two variables without third variable, which I am going to share with you guys.
If you have ever heard this question, then you must be familiar with this approach of swapping numbers without using temp variable. If you are hearing it first time, then try it yourself, its a good programming exercise for absolute first timer. By the way, here is the code example of swapping two numbers without using temp variable and using arithmetic operator in Java: Bitwise operators can also be used to swap two numbers without using third variable. XOR bitwise operator returns zero if both operand is same i.
There is another, third way of swapping two numbers without using third variable, which involves multiplication and division operator. Here is the code example to swap tow number without using third variable with division and multiplication operators in Java: That's all on 3 ways to swap two variables without using third variable in Java.
Its good to know multiple ways of swapping two variables without using temp or third variable to handle any follow-up question. Swapping numbers using bitwise operator is the fastest among three, because it involves bitwise operation. A nice trick to drive interview on your expert area.
Share to Twitter Share to Facebook. Coding Interview Question , core java , core java interview question , programming. February 21, at 6: February 21, at February 22, at 6: February 22, at 7: February 25, at 4: February 25, at 5: February 25, at 6: String a; String b; Now do it. February 25, at 7: February 25, at 2: February 26, at 9: February 26, at March 1, at You can achieve same with one liner: How to create a swap function for integers in java as there are no pointers in java and primitive data types are called value , not by reference July 25, at 4: November 12, at 3: February 6, at 4: December 14, at 6: April 25, at 5: June 25, at 8: July 13, at 4: July 15, at 7: November 7, at 6: Does this work too?
January 29, at 3: February 15, at 5: May 15, at 5: June 19, at 3: August 14, at 7: September 8, at 4: Will there be a overflow in 1? January 15, at 6: February 3, at 2: June 7, at 8: September 1, at 3: Newer Post Older Post Home. Interview Questions core java interview question Coding Interview Question 72 data structure and algorithm 69 interview questions 47 object oriented programming 31 SQL Interview Questions 30 design patterns 30 thread interview questions 30 collections interview questions 25 spring interview questions 18 database interview questions 16 servlet interview questions 15 Programming interview question 6 hibernate interview questions 6.
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