Hi, I am using Decision table in drools. But it is not giving any output. I am doing the correct one or not. The code *RuleSet* *com.sample* * * * * *Import* * com.sample.Paternity.RuleBean;* * * *Notes* *This decision table is a Paternity decision table* * * ** ** ** ** ** *RuleTablefor Paternity* * * * * * * CONDITION CONDITION CONDITION ACTION * * * * RuleBean(status == "$param") RuleBean(role =="$param") RuleBean(NoOfDays == $param) System.out.println("Kranthis"); *Paternity Rules* *Status* *Role* *NoOfDays* *Print out message?* * * *Married* *Permanent* *2* *Kranthi3* * * * * * * * * * * The following the my code for Paternity.java * public* *class* Paternity { *public* *static* *final* *void* main(String[] args) { *try* { RuleBase ruleBase = *readDecisionTable*(); WorkingMemory workingMemory = ruleBase.newStatefulSession(); //go ! RuleBean rule=*new* RuleBean("Married","Permanent",2); System.*out*.println("Kranthi1"); workingMemory.assertObject(rule); System.*out*.println("kranthi2"); workingMemory.fireAllRules(); } *catch* (Throwable t) { t.printStackTrace(); } } *private* *static* RuleBase readDecisionTable() *throws* Exception { //read in the source *final* SpreadsheetCompiler converter = *new* SpreadsheetCompiler(); *final* String drl = converter.compile( "/Sample.xls", InputType.*XLS* ); PackageBuilder builder = *new* PackageBuilder(); builder.addPackageFromDrl( *new* StringReader( drl ) ); Package pkg = builder.getPackage(); RuleBase ruleBase = RuleBaseFactory.*newRuleBase*(); ruleBase.addPackage( pkg ); *return* ruleBase; } } and the following is my RuleBean.java * package* com.sample; * import* com.sample.Paternity; * public* *class* RuleBean{ *private* String status; *private* String role; *public* *int* NoOfDays; *public* RuleBean(String status,String role,*int* NoOfDays) { System.*out*.println("kranthiobj"); *this*.status = status; *this*.role = role; *this*.NoOfDays = NoOfDays; } *public* *int* getNoOfDays() { *return* NoOfDays; } *public* *void* setNoOfDays(*int* noOfDays) { NoOfDays = noOfDays; } *public* String getRole() { *return* role; } *public* *void* setRole(String role) { *this*.role = role; } *public* String getStatus() { *return* status; } *public* *void* setStatus(String status) { *this*.status = status; } }