✨ add longValue support

Author: ZhangBohan

java/toolgood.algorithm/src/main/java/toolgood/algorithm/Operand.java

@@ -41,6 +41,10 @@ public int IntValue() {
         return 0;
     }
 
+    public long LongValue() {
+        return 0;
+    }
+
     public Object Value() {
         return null;
     }
@@ -427,6 +431,11 @@ public Object Value() {
         public int IntValue() {
             return Value.intValue();
         }
+
+        @Override
+        public long LongValue() {
+            return Value.longValue();
+        }
     }
 
     static class OperandLongNumber extends OperandT<Long> {
@@ -454,6 +463,11 @@ public double NumberValue() {
         public int IntValue() {
             return Value.intValue();
         }
+
+        @Override
+        public long LongValue() {
+            return Value;
+        }
     }
 
     static class OperandString extends OperandT<String> {