Find Greatest Common Devicer Using Java

 import java.util.*;  
 public class GCD{  
      public static void main(String args[]){  
           int integer1,integer2,GCD;  
           Scanner scanner = new Scanner(System.in);  
           try{  
                System.out.print("\n\n\nEnter Two Integers(separate by space) : ");  
                integer1 = scanner.nextInt();  
                integer2 = scanner.nextInt();  
                if(integer1==0||integer2==0){  
                     System.out.println("Error:Can not find GCD for 0");  
                     System.exit(-1);  
                }  
                GCD=GCD(integer1,integer2);  
                System.out.println("GCD of "+integer1+" and "+integer2+" is "+GCD);  
           }catch(Exception e){  
                System.out.println("Error:Integer values must be given");  
           }  
      }  
      private static int GCD(int integer1,int integer2){  
           int temp=0;  
           if(integer1>integer2){  
                while(integer1>0){  
                     temp=integer2 % integer1;  
                     integer2=integer1;  
                     integer1=temp;  
                }  
                return integer2;  
           }  
           else if(integer1<integer2){  
                while(integer2>0){  
                     temp=integer1 % integer2;  
                     integer1=integer2;  
                     integer2=temp;  
                }  
                return integer1;  
           }  
           else{  
                return integer1;  
           }  
      }  
 }