Study the following programme // precondition : x >= 0 public void demo(int x)…

Study the following programme
// precondition : x >= 0 public void demo(int x) { System.out.print(x % 10); if( (x / 10) != 0 ) { demo(x / 10); } System.out.print(x % 10); }
Which of the following is printed as a result of the call demo (1234)?