Java FileReader Read readFile(File file)

Description

read File

License

Open Source License

Declaration

public static String readFile(File file) throws IOException 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.io.File;

import java.io.FileReader;

import java.io.IOException;

public class Main {
    public static String readFile(File file) throws IOException {

        FileReader a = null;/* ww  w .j a va 2s .c  o  m*/
        char[] d = null;
        try {
            a = new FileReader(file);
            int b;
            int c = 0;
            char[] e = null;
            b = a.read();
            while (b >= 0) {
                e = new char[c + 1];
                if (d != null) {
                    System.arraycopy(d, 0, e, 0, d.length);
                } else {
                    d = new char[1];
                }
                e[c] = (char) b;
                d = e.clone();
                c++;
                b = a.read();
            }
        } finally {
            if (a != null) {
                a.close();
            }
        }
        if (d != null) {
            return String.copyValueOf(d);
        } else {
            return "";
        }
    }
}

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