Lower-case to upper-case string conversion - Java Language Basics

Java examples for Language Basics:String

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Description

Lower-case to upper-case string conversion

Demo Code

public class Main {
  static String LowerToUpper(String s) {
    String result = "";
    char c;// w ww . j ava 2  s  . c om
    for (int i = 0; i < s.length(); i++) {
      c = (char) (s.charAt(i) - 32); // 32=2^5
      result += c; // concatenation, append c to result
    }
    return result;
  }

  public static void main(String[] args) {

    System.out.println(LowerToUpper("java2s.com"));
  }
}

Result


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