从文件读入one by one.txt

来自「自己总结的java编程常用代码。。。。方便开发」· 文本 代码 · 共 5 行

FileInputStream sourceFile = new FileInputStream(filename);
int character;
while((character = sourceFile.read() )!=-1)
     System.out.print((char)character);
sourceFile.close();