ADD file via upload

MaxFunction.java

@@ -0,0 +1,22 @@
+package com.sen.api.functions;
+
+import java.math.BigDecimal;
+
+public class MaxFunction implements Function{
+
+	@Override
+	public String execute(String[] args) {
+		BigDecimal maxValue=new BigDecimal(args[0]);
+		for(String numerial :args){
+			maxValue = maxValue.max(new BigDecimal(numerial));
+		}
+		return String.valueOf(maxValue);
+	}
+
+	@Override
+	public String getReferenceKey() {
+		// TODO Auto-generated method stub
+		return "max";
+	}
+
+}