Degrees Minutes Seconds to Decimal Degrees

 public class LongLat {  
      public static void main(String args[]){  
           double LongDouble=0;  
           double direction=0;  
           int checkDegree=0;  
           BufferedReader br = new BufferedReader(new InputStreamReader(System.in));  
           String input=null;  
           System.out.println("Enter Longitude or Latitude");  
           try{  
                input=br.readLine().toUpperCase();  
           }catch(Exception e){  
                System.out.println("IO error");  
                System.exit(1);  
           }            
           Pattern p=Pattern.compile("[NEWS]");  
           Matcher m=p.matcher(input);            
           if(input.contains("N") || input.contains("E"))  
                direction=1;  
           else if(input.contains("W") || input.contains("S"))  
                direction=-1;  
           if(input.contains("N") || input.contains("S"))  
                checkDegree=90;  
           else if(input.contains("W") || input.contains("E"))  
                checkDegree=180;  
           input=m.replaceFirst("");  
           input=input.trim();  
           String[] LongDMS=input.split(" ");  
           if(!(Integer.parseInt(LongDMS[0])<=checkDegree)){  
                System.out.println("Degree should be less than "+checkDegree);  
                System.exit(1);  
           }  
           if(!(Integer.parseInt(LongDMS[1])<=60)){  
                System.out.println("Minutes should be in between 0 and "+60);  
                System.exit(1);  
           }  
           if(!(Integer.parseInt(LongDMS[2])<=60)){  
                System.out.println("Second should be in between 0 and "+60);  
                System.exit(1);  
           }  
           if(LongDMS.length==3)  
                LongDouble=Double.valueOf(LongDMS[0])+((Double.valueOf(LongDMS[1])*60)+Double.valueOf(LongDMS[2]))/3600;  
           LongDouble=LongDouble*direction;  
           System.out.println(LongDouble);  
      }  
 }  

 Enter Longitude or Latitude  
 W87 43 41  
 -87.72805555555556