You can use the following ways:

1)

public class HelloWithoutSemicolon {

 public static void main(String[] args) {
 System.out.println("Hello")\u003B
 }
}

2)

public class HelloWithoutSemicolon {
 public static void main(String[] args) {
 if (System.out.append("Hello!" + System.getProperty("line.separator"))!=null){
 }
 }
}