stringmiscellaneous.java

《Java面向对象程序设计》例子源代码.轻松学习书本.

//StringMiscellaneous.java
import javax.swing.*;
public class StringMiscellaneous {
   public static void main( String args[] ){
      String s1 = "hello there";
      char charArray[] = new char[ 5 ];
      String output = "s1: " + s1;
      output += "\nLength of s1: " + s1.length();		//调用String类的length方法
      output += "\nThe string reversed is: ";
      for ( int count = s1.length() - 1; count >= 0; count-- )
         output += s1.charAt( count ) + " ";			//调用String类的charAt方法
      s1.getChars( 0, 5, charArray, 0 );				//调用String类的getChars方法
      output += "\nThe character array is: ";
      for ( int count = 0; count < charArray.length; count++ )
         output += charArray[ count ];
      JOptionPane.showMessageDialog( null, output,
         " String类的length、charAt和getChars方法的使用",
         JOptionPane.INFORMATION_MESSAGE );
      System.exit( 0 );
   }
}