/*xml
   <module name="Checker">
     <module name="TreeWalker">
       <module name="CyclomaticComplexity">
         <property name="max" value="4"/>
         <property name="tokens" value="LITERAL_WHILE, LITERAL_DO"/>
       </module>
     </module>
   </module>
  */
  package com.puppycrawl.tools.checkstyle.checks.metrics.cyclomaticcomplexity;
  
  // xdoc section -- start
  class Example2 {
    int a, b, c, d, e, n;
    // violation below, 'Cyclomatic Complexity is 5 (max allowed is 4)'
    public void testMethod1() { // 1, function declaration
      while (a < b && a > c) { // 2, while
        fun1();
      }
      if (a == b) {
        do { // 3, do
          fun1();
        } while (d==a);
      } else if (c == d) {
        while (c > 0) { // 4, while
          fun1();
        }
        do { // 5, do-while
          fun1();
        } while (a==d);
      }
    }
  
    public void testMethod2() {
      if (a == b) {
        fun1();
      } else if (a == 0
        && b == c) {
        if (c == -1) {
          fun1();
        }
      } else if (a == c
        || a == d) {
        fun1();
      } else if (d == e) {
        try {
          fun1();
        } catch (Exception e) {
        }
      } else {
        switch(n) {
          case 1:
            fun1();
            break;
          case 2:
            fun1();
            break;
          case 3:
            fun1();
            break;
          default:
            break;
        }
      }
      a = a > 0 ? b : c;
    }
    private void fun1() {}
  }
  // xdoc section -- end