📄 datastreamdemo.java
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package chapter10;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
public class DataStreamDemo {
public static void main(String[] args) {
Manager[] Employees = { new Manager(),
new Manager("ChenXinwei",25), new Manager("Chen_XinWei", 52) };
try {
DataOutputStream dataOutputStream = new DataOutputStream(
new FileOutputStream("data.txt"));
for (Manager student : Employees) {
dataOutputStream.writeUTF(student.getName());
dataOutputStream.writeInt(student.getAge());
}
dataOutputStream.flush();
dataOutputStream.close();
DataInputStream dataInputStream = new DataInputStream(
new FileInputStream("data.txt"));
for (int i = 0; i < Employees.length; i++) {
String name = dataInputStream.readUTF();
int score = dataInputStream.readInt();
Employees[i] = new Manager(name, score);
Employees[i].print();
}
dataInputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
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