多选题 Given x is declared with a valid integer, which conditional statement will not compile?

• A. if(x == 0) {System.out.println("True Statement");}
• B. if(x == 0) {System.out.println("False Statement");}
• C. if(x == 0) {;} elseif(x == 1){System.out.println("Valid Statement");}
• D. if(x == 0); else if(x == 1){} else {;}