जावा में अपने प्रवाह को नियंत्रित करने के लिए अपवादों का उपयोग करने से बचें

 public static int findAgeNoEx(String name) { String ageAsString = findUserNoEx(name); return ageAsString.length(); } private static String findUserNoEx(String name) { if(name==null) { return ""; } return name; } 

 public class ControlFlowWithExceptionOrNot { public static class NameNotFoundException extends RuntimeException { private static final long serialVersionUID = 3L; } private static final int TRIAL = 10000000; public static void main(String[] args) throws InterruptedException { long start = System.currentTimeMillis(); for (int i = 0; i < TRIAL; i++) { findAgeNoEx(null); } System.out.println("Duration :" + (System.currentTimeMillis() - start)); long start2 = System.currentTimeMillis(); for (int i = 0; i < TRIAL; i++) { findAge(null); } System.out.println("Duration :" + (System.currentTimeMillis() - start2)); }; public static int findAge(String name) { try { String ageAsString = findUser(name); return ageAsString.length(); } catch (NameNotFoundException e) { return 0; } } private static String findUser(String name) { if (name == null) { throw new NameNotFoundException(); } return name; } public static int findAgeNoEx(String name) { String ageAsString = findUserNoEx(name); return ageAsString.length(); } private static String findUserNoEx(String name) { if (name == null) { return ""; } return name; } } 

 Duration :16 Duration :6212