以下文字与答案无关
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import java.io.*;
public class E {
public static void main(String args]) {
int n = -1;
File f = new File("hello.txt");
byte] a = "abcd".getBytes();
try {
FileOutputStream out = new FileOutputStream(f);
out.write(a);
out.close();
FileInputStream in = new FileInputStream(f);
byte] tom = new byte3];
int m = in.read(tom, 0, 3);
System.out.println(m); //【代码1】
String s=new String(tom,0,3); System.out.println(s); //【代码2】
m = in.read(tom, 0, 3);
System.out.println(m); //【代码3】
s = new String(tom, 0, 3);
System.out.println(s); //【代码4】
} catch (IOException e) {
}
}
}
out.write(a);
out.close();
FileInputStream in = new FileInputStream(f);
byte ] tom = new byte3];
int m = in.read(tom,0,3);
System.out.println(m); //代码1] (3)
String s = new String(tom,0,3);
System.out,println(s): //代码2](abc)
m= in.read(tom,0,3);
System.out.println(m) //代码3] (1)
s =new String(tom,0,3)
System.out.println(s): //代码4] (abc)
catch(IOException e)(]
">11.请说出 E类中标注的代码 1]一代码4]的输出结果import java.io.;public class E(public static void main(String args ]) (intn=-1;File f = new File("hello.txt");byte] a= "abcd".getBytes();try| FileOutputStream out = new FileOutputStream(f);
out.write(a);
out.close();
FileInputStream in = new FileInputStream(f);
byte ] tom = new byte3];
int m = in.read(tom,0,3);
System.out.println(m); //代码1] (3)
String s = new String(tom,0,3);
System.out,println(s): //代码2](abc)
m= in.read(tom,0,3);
System.out.println(m) //代码3] (1)
s =new String(tom,0,3)
System.out.println(s): //代码4] (abc)
catch(IOException e)(]