teststring.java

来自「Java the UML Way 书中所有源码」· Java 代码 · 共 30 行

/*
 * TestString.java   E.L. 2001-05-21
 */
class TestString {
  public static void main(String[] args) {
    String text = "Anne Smith";
    String noTrailingOrLeadingSpaces = text.trim();
    String result = "Spaces removed: " + noTrailingOrLeadingSpaces;
    String upper = text.toUpperCase();
    result = result + "\nOnly upper case letters: " + upper;
    String lower = text.toLowerCase();
    result = result + "\nOnly lower case letters: " + lower;
    char initial = text.charAt(0);
    result = result + "\nInitial letter: " + initial;
    char secondLetter = text.charAt(1);
    result = result + "\nSecond letter: " + secondLetter;
    int noOfChars = text.length();
    result = result + "\nThe length of the string: " + noOfChars;    
    System.out.println(result);
  } 
} 

/* Example Run:
Spaces removed: Anne Smith
Only upper case letters: ANNE SMITH
Only lower case letters: anne smith
Initial letter: A
Second letter: n
The length of the string: 10
*/