BreakContinueDemo
import
java.util.Scanner;
class
ClassA {
public static void main(String[] args) {
// int i = 1;
// switch (i) {
// case 1:
// System.out.println("i = 1");
// case 2:
// System.out.println("i = 2");
// default:
// System.out.println("i = default");
// int j=0;
// for(;;){
// System.out.println("j=" + j);
// }
// boolean isNegative = false;
// Scanner input = new Scanner(System.in);
// for(int i=0; i<20; i++){
// System.out.println("please input i");
// int score = input.nextInt();
//
// if(score<0){
// isNegative = true;
// break;
// }
// }
String name = "mabel";
String psd = "123456";
Scanner input = new Scanner(System.in);
for (int i = 2; i >= 0; i--) {
System.out.print("please input the user name: ");
String inputName = input.next();
System.out.print("please input the password: ");
String passWord = input.next();
if (!inputName.equals(name) || !passWord.equals(psd)) {
System.out.println("incorrect input! you still have" + " " + i + " " + " chances");
if (i == 0) {
System.out.println("sorry, you have entered 3 times incorrectly!");
}
continue;
} else {
System.out.println("welcome!!");
break;
}
}
}
}