int readInt()
描述 (Description)
java.io.ObjectInputStream.readInt()方法讀取32位int。
聲明 (Declaration)
以下是java.io.ObjectInputStream.readInt()方法的聲明。public int readInt()
參數 (Parameters)
NA
返回值 (Return Value)
此方法不返回值。
異常 (Exception)EOFException - 如果到達文件末尾。
IOException - 如果發生I/O錯誤。
例子 (Example)
以下示例顯示了java.io.ObjectInputStream.readInt()方法的用法。package com.iowiki;
import java.io.*;
public class ObjectInputStreamDemo {
public static void main(String[] args) {
int i = 319874;
try {
// create a new file with an ObjectOutputStream
FileOutputStream out = new FileOutputStream("test.txt");
ObjectOutputStream oout = new ObjectOutputStream(out);
// write something in the file
oout.writeInt(i);
oout.writeInt(1653984);
oout.flush();
// create an ObjectInputStream for the file we created before
ObjectInputStream ois = new ObjectInputStream(new FileInputStream("test.txt"));
// read and print an int
System.out.println("" + ois.readInt());
// read and print an int
System.out.println("" + ois.readInt());
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
讓我們編譯并運行上面的程序,這將產生以下結果 -319874
1653984