Example usage for java.io ObjectInputStream readLine

Introduction

In this page you can find the example usage for java.io ObjectInputStream readLine.

Prototype

@Deprecated
public String readLine() throws IOException 

Source Link

Document

Reads in a line that has been terminated by a \n, \r, \r\n or EOF.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {

    long l = 12345678909876L;

    FileOutputStream out = new FileOutputStream("test.txt");
    ObjectOutputStream oout = new ObjectOutputStream(out);

    // write something in the file
    oout.writeLong(l);/*  w w  w. jav  a 2 s  .  co  m*/
    oout.writeLong(987654321L);
    oout.flush();
    oout.close();

    ObjectInputStream ois = new ObjectInputStream(new FileInputStream("test.txt"));

    System.out.println(ois.readLine());

    ois.close();
}

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From source file:DataIOTest2.java

public static void main(String[] args) throws IOException {

    // write the data out
    ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream("invoice1.txt"));

    double[] prices = { 19.99, 9.99, 15.99, 3.99, 4.99 };
    int[] units = { 12, 8, 13, 29, 50 };
    String[] descs = { "Java T-shirt", "Java Mug", "Duke Juggling Dolls", "Java Pin", "Java Key Chain" };

    for (int i = 0; i < prices.length; i++) {
        out.writeDouble(prices[i]);/*from   w w  w .j  a  v a 2s. co  m*/
        out.writeChar('\t');
        out.writeInt(units[i]);
        out.writeChar('\t');
        out.writeChars(descs[i]);
        out.writeChar('\n');
    }
    out.close();

    // read it in again
    ObjectInputStream in = new ObjectInputStream(new FileInputStream("invoice1.txt"));

    double price;
    int unit;
    String desc;
    double total = 0.0;

    try {
        while (true) {
            price = in.readDouble();
            in.readChar(); // throws out the tab
            unit = in.readInt();
            in.readChar(); // throws out the tab
            desc = in.readLine();
            System.out.println("You've ordered " + unit + " units of " + desc + " at $" + price);
            total = total + unit * price;
        }
    } catch (EOFException e) {
    }
    System.out.println("For a TOTAL of: $" + total);
    in.close();
}

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