OIM API To Create Role Catagegory

package com.role;
import oracle.iam.identity.exception.RoleCategoryAlreadyExistsException;
import oracle.iam.identity.exception.RoleCategoryCreateException;
import oracle.iam.identity.exception.ValidationFailedException;
import oracle.iam.identity.rolemgmt.api.RoleCategoryManager;
import oracle.iam.identity.rolemgmt.api.RoleManagerConstants;
import oracle.iam.identity.rolemgmt.vo.RoleCategory;
import oracle.iam.identity.rolemgmt.vo.RoleManagerResult;
import oracle.iam.platform.authz.exception.AccessDeniedException;

import java.util.HashMap;

import com.connection.Platform;

public class CreateRoleCategory {


 public CreateRoleCategory() {

 }

 public void createCategory(String categoryName, String categoryDescription) {
  try {
   RoleCategoryManager rmgr = Platform.getService(RoleCategoryManager.class);
   RoleCategory rcategory = new RoleCategory(categoryName);
   rcategory.setDescription(categoryDescription);
   rcategory.setName(categoryName);
   RoleManagerResult result = rmgr.create(rcategory);   

  System.out.println(" Role Category " + categoryName + " Status " + result.getStatus()); 
  }catch(Exception e) {
   e.printStackTrace();
  }
 }

 public  static void main(String args[]) {
  try {
   CreateRoleCategory obj = new CreateRoleCategory();
   for (int i =1;i<20;i++){
   obj.createCategory("CategoryName"+i,"CategoryDescription"+i);
  }
  }catch(Exception e) {
   e.printStackTrace();
  }
 }
 
 public void createCategory() throws ValidationFailedException, 

RoleCategoryAlreadyExistsException, RoleCategoryCreateException, 

AccessDeniedException {
  String categoryName = "RoleCategoryName"; 
  
  RoleCategoryManager roleCategoryMgr = Platform.getService(RoleCategoryManager.class);
  RoleManagerResult roleResult = null;
  HashMap<String, Object> createAttributes = new HashMap<String, Object>();
  
  createAttributes.put(RoleManagerConstants.ROLE_CATEGORY_NAME, categoryName);
  createAttributes.put(RoleManagerConstants.ROLE_CATEGORY_DESCRIPTION, categoryName + " Description");
  RoleCategory roleCategory = new RoleCategory(createAttributes);

  roleResult = roleCategoryMgr.create(roleCategory);
  String entityId = roleResult.getEntityId();
  System.out.println("Created role category with key = " + entityId);
  }
 
}