printing-hollow-rectangle.java

public class Main{
    
    public static void hollowRectangle(int totRows, int totCols){
        
        for(int i=1; i<=totRows; i++){
            
            for(int j=1; j<=totCols; j++){
                
                if(i==1 || i==totRows || j==1 || j==totCols){
                    
                    System.out.print("*");
                }else{
                    
                    System.out.print(" ");
                }
            }
           System.out.println(); 
        }
        
    }
    
    
    public static void main(String[]args){
        hollowRectangle(5, 5);
        
    }
}