system.out.println(characterSpecified+"is not permissible as an initial character;");这句话的第一个类名拼错了,应该是大写的。
改成这样了,但是还是不行啊!public class Identifier { public static void main(String args[]) { char characterSpecified='a'; System.out.println("In a Java identifier,"); if (Character.isJavaIdentifierStart(characterSpecified)) System.out.println(characterSpecified+"is permissible as an initial character;"); else System.out.println(characterSpecified+"is not permissible as an initial character;"); if (Character.isJavaIdentifierPart(characterSpecified)) System.out.println(characterSpecified+"is permissible as a character other than the first character."); else System.out.println(characterSpecified+"is not permissible as a character."); } }
错误是:class Identifier is public,should be declared in a file named Identfier.java
{
public static void main(String args[])
{
char characterSpecified='a';
System.out.println("In a Java identifier,");
if (Character.isJavaIdentifierStart(characterSpecified))
System.out.println(characterSpecified+"is permissible as an initial character;");
else
System.out.println(characterSpecified+"is not permissible as an initial character;");
if (Character.isJavaIdentifierPart(characterSpecified))
System.out.println(characterSpecified+"is permissible as a character other than the first character.");
else
System.out.println(characterSpecified+"is not permissible as a character.");
}
}
分数已给第一回复人: zhyjxy(落单的候鸟)