string to binary python
"hello".encode("ascii")
b"hello"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));
}
}Copyright © 2021 Codeinu
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