Java.lang.Byte.decode() 方法 Java.lang.Byte.compareTo() 方法 Java.lang.Byte.doubleValue() 方法 Java.lang.Byte.decode() 方法 package com.codingdict; import java.lang.*; public class ByteDemo { public static void main(String[] args) { // create 4 Byte objects Byte b1, b2, b3, b4; /** * static methods are called using class name. * decimal value is decoded and assigned to Byte object b1 */ b1 = Byte.decode("100"); // hexadecimal values are decoded and assigned to Byte objects b2, b3 b2 = Byte.decode("0x6b"); b3 = Byte.decode("-#4c"); // octal value is decoded and assigned to Byte object b4 b4 = Byte.decode("0127"); String str1 = "Byte value of decimal 100 is " + b1; String str2 = "Byte value of hexadecimal 6b is " + b2; String str3 = "Byte value of hexadecimal -4c is " + b3; String str4 = "Byte value of octal 127 is " + b4; // print b1, b2, b3, b4 values System.out.println( str1 ); System.out.println( str2 ); System.out.println( str3 ); System.out.println( str4 ); } } Java.lang.Byte.compareTo() 方法 Java.lang.Byte.doubleValue() 方法