base64 in java
String originalInput = "test input";
String encodedString = Base64.getEncoder().encodeToString(originalInput.getBytes());base64 in java
String originalInput = "test input";
String encodedString = Base64.getEncoder().encodeToString(originalInput.getBytes());convert any base to base 10 java
String input="54C";
int inputBase=16;
int output= Integer.parseInt(input, inputBase);//output= base 10 of 54C = 1356
//or more specific way to show off
static int convertToDec(int inputBase, String input){
int output = 0, index = 0;
int value = 0;
input = input.toUpperCase();
for (int i = input.length() - 1; i >= 0; i--) {
char c = input.charAt(i);
if (c >= '0' && c <= '9')
value = c-48;//in ASCII char '0' is at index 48 so -48 give actual int value
else if (c >= 'A' && c <= 'F')
value = Integer.parseInt(String.valueOf(c)); //or just use String.valueOf(char) instead of -index(ASCII)
output += value * Math.pow(inputBase, index);
index++;
}
return output;
}Copyright © 2021 Codeinu
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