public class HiraKataTest {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		String str1 = "ひらがな"; 
		StringBuffer buf1 = new StringBuffer();
	    for (int i = 0; i < str1.length(); i++) {
	      char code1 = str1.charAt(i);
	      if ((code1 >= 0x3041) && (code1 <= 0x3093)) {
	        buf1.append((char) (code1 + 0x60));
	      } else {
	        buf1.append(code1);
	      }	      
	    }
	    System.out.println(buf1.toString());
	    
	    String str2 = "カタカナ";
		StringBuffer buf2 = new StringBuffer();
	    for (int i = 0; i < str2.length(); i++) {
	      char code2 = str2.charAt(i);
	      if ((code2 >= 0x30a1) && (code2 <= 0x30f3)) {
	        buf2.append((char) (code2 - 0x60));
	      } else {
	        buf2.append(code2);
	      }	      
	    }
	    System.out.println(buf2.toString());
	}	

}