formattester.java

来自「基于netbeans的java桌面应用程序合集」· Java 代码 · 共 28 行

package com.sun.tiger.format;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;

public class FormatTester {
    
    public static void main(String[] args) {
        String filename = args[0];
        
        try {
            File file = new File(filename);
            FileReader fileReader = new FileReader(file);
            BufferedReader reader = new BufferedReader(fileReader);
            
            String line;
            int i = 1;
            while ((line = reader.readLine()) != null) {
                System.out.printf("Line %d: %s%n", i++, line);
            }
            
        } catch (Exception e) {
            System.err.printf("Unable to open file named '%s': %s",
                    filename, e.getMessage());
        }
    }
}