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OOP/Java/Lab/Week10/Sum.java

@@ -0,0 +1,46 @@
+import java.util.*;
+class floatnum extends Exception
+{
+    float input;
+    floatnum(float num)
+    {
+        input=num;
+    }
+    public String toString()
+    {
+        return "Error:"+input+" is a Floating point number";
+    }
+}
+class Input_Exception
+{
+    public static void main(String[] args) {
+        int n,sum=0;
+        float input=0;
+        Scanner in=new Scanner(System.in);
+        System.out.println("Enter the numbers one at a time,enter -1 to calculate the sum");
+        while(true)
+        {
+            try
+            {
+                input=in.nextFloat();
+                if(input == -1)
+                {
+                    System.out.println("Sum="+sum);
+                    break;
+                }
+                else if(input%1!=0)
+                {
+                    throw new floatnum(input);
+                }
+                else
+                {
+                    sum=sum+(int)(input);
+                }
+            }
+            catch(floatnum e)
+            {
+                System.out.println(e.toString());
+            }
+        }
+    }
+}