get Char array from a file - Java Collection Framework

Java examples for Collection Framework:Array Element

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Description

get Char array from a file

Demo Code

/*/* w w  w  . ja  v  a2  s . com*/
 * Copyright 2012 Joseph Spencer
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
//package com.java2s;
import java.io.BufferedReader;
import java.io.File;

import java.io.FileReader;

import java.io.IOException;

public class Main {
    public static void main(String[] argv) throws Exception {
        File file = new File("Main.java");
        System.out.println(java.util.Arrays.toString(getChars(file)));
    }

    public static char[] getChars(File file) throws IOException {
        String str;

        FileReader reader = new FileReader(file);
        BufferedReader buffer = new BufferedReader(reader);
        String line;
        StringBuilder result = new StringBuilder();
        while ((line = buffer.readLine()) != null) {
            result.append(line).append("\n");
        }
        str = result.toString();
        buffer.close();
        reader.close();

        return str.toCharArray();
    }
}

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