識別符號關鍵字

abstract抽象的 assert

boolean break

byte case

catch char

const(保留字) continue

default do

double else

enum extends

final finally

float for

if goto(保留字)

implements import

int interface

long native

new package

private protected

public return

short static

strictfp super

switch synchronized

this throw

throws transient

try void

volatile while

識別符號注意點

public class Demo01 {
  public static void main(String[] args) {
​
    String 王者榮耀 ="百星王者";
    //String  王者榮耀 ="倔強青銅";
    System.out.println(王者榮耀);
​
​
​
    //大小寫十分敏感
    String Man="xiatiandesuyan";
    String man="xiatiandesuyan";
​
​
    String name="xiatiandesuyan";
​
​
    String Ahello ="xiatiandesuyan";
    String hello ="xiatiandesuyan";
    String $hello ="xiatiandesuyan";
    String _hello ="xiatiandesuyan";
​
​
    String _ ="xiatiandesuyan";
    //String class ="xiatiandesuyan";
    //String 1hello ="xiatiandesuyan";
    //String #hello ="xiatiandesuyan";
    //String *hello ="xiatiandesuyan";
​
​
   }
}
​