src/main/java/org/plumelib/bcelutil/BcelUtil.java
public static boolean isConstructor(MethodGen mg) {
    if (mg.getName().equals("")) {
      throw new Error("method name cannot be empty");
    }
    return mg.getName().equals("<init>");
  }
public static boolean isConstructor(MethodGen mg) {
    if (mg.getName().equals("")) {
      throw new Error("method name cannot be empty");
    }
    return mg.getName().equals("<init>");
  }
Returns whether or not the method is a constructor.

@param mg the MethodGen to test
@return true iff the method is a constructor