/Java/Change string into binary uding java

Change string into binary uding java

package com.mkyong.crypto.bytes;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

public class StringToBinaryExample1 {

    public static void main(String[] args) {

        String input = "Hello";
        String result = convertStringToBinary(input);

        System.out.println(result);

        // pretty print the binary format
        System.out.println(prettyBinary(result, 8, " "));

    }

    public static String convertStringToBinary(String input) {

        StringBuilder result = new StringBuilder();
        char[] chars = input.toCharArray();
        for (char aChar : chars) {
            result.append(
                    String.format("%8s", Integer.toBinaryString(aChar))   // char -> int, auto-cast
                            .replaceAll(" ", "0")                         // zero pads
            );
        }
        return result.toString();

    }

    public static String prettyBinary(String binary, int blockSize, String separator) {

        List<String> result = new ArrayList<>();
        int index = 0;
        while (index < binary.length()) {
            result.add(binary.substring(index, Math.min(index + blockSize, binary.length())));
            index += blockSize;
        }

        return result.stream().collect(Collectors.joining(separator));
    }
}

Source: mkyong.com

Similar codes

0 vote192 views1 answer
How to find the biggest number java with loops
Java
2 votes269 views1 answer
How to print in console java
Java
0 vote205 views1 answer
Swagger apiimplicitparam all endpoints
Java
1 vote199 views1 answer
Open camera in adapter and set image in imageview in android
Java
0 vote202 views1 answer
Spigot bukkit self cancelling task timer example repeat times
Java
0 vote175 views1 answer
Regex double quote java
Java
0 vote228 views1 answer
Counting sort java
Java
4 votes353 views2 answers
Java read each lines in file
Java
0 vote237 views1 answer
HorizontalAlignment center jlabel
Java
0 vote181 views1 answer
Nth fibonacci number java using for loop
Java