//point X public class Foo { public static void main(String[] args) throws Exception { PrintWriter out = new PrintWriter( new java.io.OutputStreamWriter(System.out), true); out.println("Hello"); } }
下面哪个选项放在point X这里可以正确执行?
//point X public class Foo { public static void main(String[] args) throws Exception { PrintWriter out = new PrintWriter( new java.io.OutputStreamWriter(System.out), true); out.println("Hello"); } }
import java.io.PrintWriter;
include java.io.PrintWriter;
import java.io.OutputStreamWriter;
include java.io.OutputStreamWriter;
no statement is needed.