3 回答Multiple markers at this line - Syntax error on token ")", ; expected - void is an invalid type for the variable main - Syntax error on token "(", ; expected

5 回答what is the question's wrong public class HelloWorld{ public static void main(String[] args) { String a=“我愛(ài)慕課網(wǎng)”; String b=“idcbgp.cn”; system.out.println(a); system.out.println(b); } }

1 回答Exception in thread "main" java.lang.Error: Unresolved compilation problem: The method printf(String, Object[]) in the type PrintStream is not applicable for the arguments (String, double) at MainClass.main(MainClass.java:16) 是什么意思

2 回答public class HelloWorld{ public static void main(String[] args) { System.out.println(hobby); } }

3 回答The operator - is undefined for the argument type(s) String, int 是什么錯(cuò)誤？