//演示字符串數組。
class StringArrays { 
  public static void main(String args[]) { 
    String str[] = { "Here,", "a", "test", "string." };  
 
    System.out.println("原始的字符串: "); 
    for(int i=0; i < str.length; i++)
      System.out.print(str[i] + " "); 
    System.out.println("\n"); 
 
    // change a string 
    str[1] = "There are"; 
    str[3] = "many strings!"; 
 
    System.out.println("這個字符串已經被改變了: ");
    for(int i=0; i < str.length; i++)
      System.out.print(str[i] + " "); 
  } 
}