Console

package cm;

public class test20180421Console {

	public static void main(String[] args) {
		System.out.println(System.console());//Indicates that there is no available console. / / Run on the cmd command line to get the value of the corresponding console
		String s=System.console().readPassword().toString();
		String rl=System.console().readLine();//Read the data input from the console by line.
		System.out.println(s);

	}

}