In java, the conversion between hexadecimal (decimal to hexadecimal, decimal to binary, binary to decimal, and binary to hexadecimal)

[Java] // convert hexadecimal to hexadecimal Integer. toHexString (20); // convert toHexString to binary Integer. toBinaryString (10); // hexadecimal to hexadecimal Integer. parseInt ("10", 16); // returns a hexadecimal Integer in hexadecimal notation. toHexString (20); // convert toHexString to binary Integer. toBinaryString (10); // hexadecimal to 10 hexadecimal www.2cto. comInteger. parseInt ("10", 16); [java] view plaincopyprint? // Another common method is BigInteger bigInt = new BigInteger (str, int1); System. err. println (bigInt. toString (int2); // Where str is the string to be converted, int1 is the base of str, and int2 is the base to be converted