public class TableOfBases { 
 
 
 public static void main(String[] args) { 
 for(int j = 65; j <= 90; j++){ 
 String bin = Integer.toBinaryString(j); 
 String oct = Integer.toOctalString(j); 
 String hex = Integer.toHexString(j); 
 String let = Character.toString(j); 
 System.out.print(j+" "+bin+" "+oct+" "+hex+""); 
 System.out.println(" "+let); 
 
 } 
 
 } 
 
} 
I think this is what you're looking for. Best of luck.