[명품JAVA프로그래밍] 8장 실습문제 3번

import java.io.FileReader;
import java.io.IOException;
import java.util.Scanner;

public class ex3 {
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		try {
			Scanner sc = new Scanner(new FileReader("c:/windows/system.ini"));
			while(sc.hasNext()) {
				String line = sc.nextLine();
				line = line.toUpperCase();
				System.out.println(line);
			}
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

}

import java.io.FileReader;
import java.io.IOException;

public class ex3 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		try {
			FileReader fr = new FileReader("c:/windows/system.ini");
			int c;
			while((c = fr.read()) != -1) {
				c = Character.toUpperCase(c);
				System.out.print((char)c);
			}
			
			fr.close();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

}

결과

; FOR 16-BIT APP SUPPORT
[386ENH]
WOAFONT=DOSAPP.FON
EGA80WOA.FON=EGA80WOA.FON
EGA40WOA.FON=EGA40WOA.FON
CGA80WOA.FON=CGA80WOA.FON
CGA40WOA.FON=CGA40WOA.FON

[DRIVERS]
WAVE=MMDRV.DLL
TIMER=TIMER.DRV

[MCI]