Hello experts

Let me know the better approach of writing the code as it has become difficult to maintain, please ignore the naming conventional, it has lots of if conditions which is hard to maintain.

Better  approach is recommended.

Thanks

private void startQuestion(String tttt) {
				// questionTemplate ---------------------------------------------------------------
				if(isEnable("xxxxx")){
					// yyyyy
					if(isEnable("yyyyy")){
						if("zzzz".equalsIgnoreCase(tttt)){
							enableFlag("QuestionUserRole");
							xxxxxUserRole=new SAXQuestionUserRole();
						}
						
					}else if("useryyyyy".equalsIgnoreCase(tttt)) {
						enableFlag("yyyyy");
						useryyyyy = new LinkedHashSet<SAXQuestionUserRole>();
					}
					// kkkk
					if(isEnable("kkkk")){
						if("xxxxxCustomerCategory".equalsIgnoreCase(tttt)){
							enableFlag("xxxxxCustomerCategory");
							xxxxxCustomerCategory=new Lxxxxx();
						}
						
					}else if("kkkk".equalsIgnoreCase(tttt)) {
						enableFlag("kkkk");
						kkkk = new LinkedHashSet<Lxxxxx>();
					}
					// lversion
					else if(isEnable("lversion")){
						// QRRV
						if ("QRRV".equalsIgnoreCase(tttt)) {
							enableFlag("QRRV");
							QRRV = new SAXQLV();
						}
						
					} else if ("lversion".equalsIgnoreCase(tttt)) {
						enableFlag("lversion");
						lversion = new LinkedHashSet<SAXQLV>();
					}
					
					// newLogicalVersion
					else if ("newLogicalVersion".equalsIgnoreCase(tttt)) {
						enableFlag("newLogicalVersion");
						newLogicalVersion = new SAXQLV();
					}
					
					// programs ---------------------------------------------------------------
					else if(isEnable("programs")){						
						// xxxxxProgram								
							if ("xxxxxProgram".equalsIgnoreCase(tttt)) {
								enableFlag("xxxxxProgram");
								xxxxxProgram = new SAXxxxxxProgram();
							}						
															
					}else if ("programs".equalsIgnoreCase(tttt)) {
							enableFlag("programs");
							xxxxxPrograms =  new LinkedHashSet<SAXxxxxxProgram>();
						}
					
					
				}else if ("xxxxx".equalsIgnoreCase(tttt)) {
					enableFlag("xxxxx");
					xxxxx = new SAXxxxxx();
				}
				

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