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Tag Archives: Java

March 15, 2013

Java – Concatenating strings efficiently in a loop

Suppose you are given the following task: Create the string “222…2” of length 100 000. How would you do that? Continue reading →

  • Posted in Uncategorized
  • Tagged concatenate, efficiency, Java, Strings
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March 10, 2013

Codeforces tutorial 2 – Java

1 Introduction
This is part 2 of the Codeforces tutorial. Here, I will talk about using Java, in particular how to read data of different types such as integers and strings. Continue reading →

  • Posted in Uncategorized
  • Tagged Codeforces, input, Java
  • 2 Comments
February 21, 2013

Java training with CodingBat

If you want to learn programming in Java or Python I highly recommend CodingBat. The training consists of implementing a function for a problem. Topics include string manipulation, logic, working with arrays and recursion. There are also videos explaining concepts.

  • Posted in training
  • Tagged Codingbat, Java, Python, training
  • 2 Comments

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