Exception in thread “main” java.lang.Error: Unresolved compilation problem:
system cannot be resolved to a variable

    at variablesdatatypes.main(variablesdatatypes.java:19)

import java.io.IOException;
import java.util.*;

public class variablesdatatypes {

public static void main(String[] args) throws IOException{
    Scanner sc = new Scanner(system.in);
    String j = sc.next();
    System.out.println(j);
    String name = sc.nextLine();
    System.out.println(name);
}

}