Java Binary Encode toBinaryString(char value)

Description

to Binary String

License

Open Source License

Declaration

public static String toBinaryString(char value) 

Method Source Code

//package com.java2s;

public class Main {
    static final int[] mask = { 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768 };
    static byte b0 = (byte) '0';
    static byte b1 = (byte) '1';

    public static String toBinaryString(byte value) {
        byte[] b = new byte[8];
        int cnt = 0;
        for (int i = 7; i > -1; i--) {
            b[cnt++] = (value & mask[i]) == 0 ? b0 : b1;
        }//from  ww  w.j ava2  s . co m
        return new String(b);
    }

    public static String toBinaryString(char value) {
        byte[] b = new byte[16];
        int cnt = 0;
        for (int i = 15; i > -1; i--) {
            b[cnt++] = (value & mask[i]) == 0 ? b0 : b1;
        }
        return new String(b);
    }

    public static String toBinaryString(int value, int length) {
        byte[] b = new byte[length];
        int cnt = 0;
        for (int i = length - 1; i > -1; i--) {
            if (((value >> i) & 1) == 1) {
                b[cnt++] = b1;
            } else {
                b[cnt++] = b0;
            }
        }
        return new String(b);
    }
}

Related

1. toBinaryString(byte[] array)
2. toBinaryString(byte[] bytes)
3. toBinaryString(byte[] bytes)
4. toBinaryString(byte[] bytes, int bitSize)
5. toBinaryString(byte[] data, boolean format)
6. toBinaryString(final boolean[] bits)
7. toBinaryString(final byte number)
8. toBinaryString(final char[] arr)
9. toBinaryString(int a, int bits)