IF

public class IF{
public static void main(String args[]){
double grade=60;
if(grade>=90){
System.out.println("Sangat bagus");
}
else if(grade>=70){
System.out.println("bagus");
}
else if(grade>=50){
System.out.println("Cukup");
}
else{
System.out.println("Sedang");
}
}
}