/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

2 votes255 views3 answers
String array to arraylist android
Java
0 vote263 views1 answer
Alphabet n vowelin java
Java
0 vote296 views3 answers
FileNotFoundException
Java
0 vote266 views1 answer
Could not find any matches for com.transistorsoft:tsbackgroundfetch:+ as no versions of com.transistorsoft:tsbackgroundfetch are available.
Java
1 vote212 views1 answer
Beanutils.copyproperties exclude properties
Java
0 vote257 views1 answer
Date to yyMMdd conversion
Java
10 votes273 views6 answers
Toast in android kotlin
Java
0 vote253 views1 answer
Android Gradle plugin requires Java 11 to run. You are currently using Java 1.8.
Java
0 vote271 views1 answer
Plus one
Java
1 vote249 views1 answer
Create jframe java
Java