tutorialspoint; import java.util.EnumMap; public class EnumMapDemo { // create an enum public enum Numbers{ONE, TWO, THREE, FOUR, FIVE}; public static void main(String[] args) { EnumMap<Numbers,Integer> map = new EnumMap<>(Numbers.class); // associate values in map map.put(Numbers....
tutorialspoint; public class EnumDemo { public static void main(String args[]) { //print an Enum System.out.println(Mobile.Motorola); Mobile mobile = Mobile.Samsung; //Usage in IF statment if(mobile == Mobile.Samsung) { System.out.println("Matched"); } //Usage in Swith statment switch...
既然是参数,肯定会有一种传入方式,而这种传入方式就是当我们在使用java命令执行class文件时在class文件名字后面传入的后续数据 如:java Test.class a b c d 此时:for循环输出args就会得到a b c d 所以main方法声明为public,static,void,String[]或String... 补充: main方法又称主函数,是编译器开始执行程序的起...
package com.tutorialspoint; import java.lang.*; // enum showing programming languages enum Language { C, Java, PHP; } public class EnumDemo { public static void main(String args[]) { // returns the name and hashCode of this enum constant System.out.print("Programming in " + Language.C...
java8 还原出来了System.out.println("---");base64encodedString = Base64.getUrlEncoder().encodeToString("TutorialsPoint?java8".getBytes("utf-8"));System.out.println("Base64 编码字符串 (URL) :" + base64encodedString);StringBuilder stringBuilder = new StringBuilder();for (int i = 0; i <...
packagecom.tutorialspoint;importjava.util.EnumMap;publicclassEnumMapDemo{// create an enumpublicenumNumbers { ONE, TWO, THREE, FOUR, FIVE };publicstaticvoidmain(String[] args){ EnumMap<Numbers, String> map =newEnumMap<Numbers, String>(Numbers.class);// associate values in mapmap.put(Numbers...
tutorialspoint; import java.util.EnumMap; public class EnumMapDemo { // create an enum public enum Numbers{ONE, TWO, THREE, FOUR, FIVE}; public static void main(String[] args) { EnumMap<Numbers,Integer> map = new EnumMap<>(Numbers.class); // associate values in map map.put(Numbers....
import java.util.EnumMap; public class Demo { // create an enum public enum Numbers { ONE, TWO, THREE, FOUR, FIVE }; public static void main(String[] args) { EnumMap<Numbers, String> map1 = new EnumMap<Numbers, String>(Numbers.class); ...
下面的例子展示了 java.util.EnumMap.putAll() 方法的用法。 packagecom.tutorialspoint;importjava.util.*;publicclassEnumMapDemo{// create an enumpublicenumNumbers { ONE, TWO, THREE, FOUR, FIVE };publicstaticvoidmain(String[] args){ EnumMap<Numbers, String> map1 =newEnumMap<Numbers, String>(...
package com.tutorialspoint; import java.lang.*; // enum showing programming languages enum Language { C, Java, PHP; } public class EnumDemo { public static void main(String args[]) { // returns the name of this enum constant System.out.println("Programming in " + Language.C.toString()...