sequencestrings.java

Java2入门经典第四章源码

public class SequenceStrings
{
  public static void main(String[] args)
  {
    // Strings to be compared
    String string1 = "A";
    String string2 = "To";
    String string3 = "Z";

    // Strings for use in output
    String string1Out = "\"" + string1 + "\"";     // string1 with quotes 
    String string2Out = "\"" + string2 + "\"";     // string2 with quotes 
    String string3Out = "\"" + string3 + "\"";     // string3 with quotes 

    // Compare string1 with string3
    if(string1.compareTo(string3) < 0)
      System.out.println(string1Out + " is less than " + string3Out);
    else
    {
      if(string1.compareTo(string3) > 0)
        System.out.println(string1Out + " is greater than " + string3Out);
      else
        System.out.println(string1Out + " is equal to " + string3Out);
    }

    // Compare string2 with string1
    if(string2.compareTo(string1) < 0) 
      System.out.println(string2Out + " is less than " + string1Out);
    else
    {
      if(string2.compareTo(string1) > 0)
        System.out.println(string2Out + " is greater than " + string1Out);
      else
        System.out.println(string2Out + " is equal to " + string1Out);
    }
  }
}