IO流
作者:互联网
文件结构
package Test; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.lang.reflect.Array; import java.util.Arrays; import java.util.EnumMap; import java.util.HashMap; import java.util.Map; import java.util.Scanner; import com.sun.istack.internal.Nullable; public class Test { public static void main(String[] args) throws IOException {
// 最好别用FileReader,容易漏读 // 如果是window系统,/需要换成\ FileInputStream in = new FileInputStream("/Users/mac/eclipse-workspace/Demo/src/Test/file.txt"); byte[] buffer = new byte[1024]; int len = 0; while((len=in.read(buffer))!=-1) { System.out.println(new String(buffer,0,len)); } in.close(); // 一定记得关闭! } }
结果
标签:java,IO,util,io,FileInputStream,Test,import 来源: https://www.cnblogs.com/cjin-01/p/16603495.html