/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 vote171 views1 answer
Java heap retention in BodyContentImpl
Java
3 votes170 views1 answer
Socket in java
Java
0 vote204 views2 answers
Required a bean of type 'org.springframework.mail.javamail.JavaMailSender
Java Spring
0 vote190 views2 answers
Java random between two strings
Java
1 vote165 views1 answer
Java stream sorted reverse
Java
0 vote120 views1 answer
Parcourir string java
Java
1 vote253 views1 answer
Execute application jar
Java
1 vote183 views1 answer
How to collect objective in java
Java
1 vote173 views2 answers
Lunar New Year
Java
1 vote174 views4 answers
Convert kotlin to java online editor
Java