public static void main(String[] args) {// 十进制转二进制int decimal = 42;String binary = Integer.toBinaryString(decimal);System.out.println("Binary: " + binary); // 输出: Binary: 101010// 十进制转十六进制int decimal1 = 255;String hex = Integer.toHexString(decimal1);System.out.println("Hexadecimal: " + hex); // 输出: Hexadecimal: ff// 二进制转十进制String binary2 = "101010";int decimal2 = Integer.parseInt(binary2, 2);System.out.println("Decimal: " + decimal2); // 输出: Decimal: 42// 十六进制转十进制String hex1 = "ff";int decimal3 = Integer.parseInt(hex1, 16);System.out.println("Decimal: " + decimal3); // 输出: Decimal: 255// 二进制转十六进制String binary3 = "11101000";int decimal4 = Integer.parseInt(binary3, 2);String hex2 = Integer.toHexString(decimal4);System.out.println("Hexadecimal: " + hex2); // 输出: Hexadecimal: e8// 十六进制转二进制String hex3 = "2a";int decimal5 = Integer.parseInt(hex3, 16);String binary5 = Integer.toBinaryString(decimal5);System.out.println("Binary: " + binary5); // 输出: Binary: 101010}
