Java_FileInputStream_讀一個文件

代碼:

package demo01;import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException;public class FileInputStreamTest01 {public static void main(String[] args) {FileInputStream fis = null;try {//默認路徑為當前工程路徑fis = new FileInputStream("src/demo01/temp01");byte[] bytes = new byte[4];//低級寫法/*while (true){int readCount = fis.read(bytes);if (readCount == -1){break;}System.out.print(new String(bytes,0,readCount));}*///高級寫法int readCount = 0;while ((readCount = fis.read(bytes)) != -1){System.out.print(new String(bytes,0,readCount));}} catch (FileNotFoundException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}} }

運行結果:

總結

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