Tricky Examples

// Wrapper Demos

public class WrapperDemos {

public static void main(String[] args) {

       int x=12;

       Integer s=new Integer(x);

       System.out.println(s);

       if(s==x)

       {

              System.out.println("wrapper");

       }

}

}

public class WrapperDemos {

public static void main(String[] args) {

       int x=12;

       Integer s=new Integer(x);

       System.out.println(s);

      

       Integer num = new Integer(10);

       Integer num2 = new Integer("20");

        int k=num.reverse(num);

       System.out.println(num);

       System.out.println(" kvalue " + k);

       if(s==x)

       {

              System.out.println("wrapper");

       }

      

       Float f1 = new Float(10.2);

//     Float f2 = new Float(10.3f);

//     Float f3 = new Float("89.0");

//     Character character = new Character('c');

//     Double double1 = new Double(29.0f);

//     Double double2 = new Double("67.90");

//     Boolean boolean1 = new Boolean(true);

//     Boolean boolean2 = new Boolean("true");

//     System.out.println(boolean2);

//     Boolean boolean3 = new Boolean("nari");

//     System.out.println(boolean3);

}

}

// Trickey Examples

public class ExceptionQuestion {

       public static void main(String[] args) {

              method();

       }

       @SuppressWarnings("finally")

       private static int method() {

              try {

                     System.out.println("try");

                     int x = 4 / 0;

                     return 5;

              } catch (Exception exception) {

                     System.out.println("catch");

              } finally {

                     System.out.println("finally");

                     return 0;

              }

       }

}

public class  TrickyExample {

       public static void main(String[] args) {

              method();

       }

       @SuppressWarnings("finally")

       private static int method() {

              try {

                     System.out.println("try");

                     int x = 4 / 0;

                     return 5;

              } catch (ArrayIndexOutOfBoundsException exception) {

                     System.out.println("catch");

              } finally {

                     System.out.println("finally");

                     return 0;

              }

       }

}

public class  TrickyExample {

       public static void main(String[] args) {

              method();

       }

       @SuppressWarnings("finally")

       private static int method() {

              try {

                     System.out.println("try");

                     return 5;

              } catch (Exception exception) {

                     System.out.println("catch");

              } finally {

                     System.out.println("finally");

                     return 0;

              }

       }

}

public class  TrickyExample {

      

              int x = 4;

              public static void main(String[] args) {

                     new  TrickyExample().go1();

              }

              public void go1() {

                     int x;

                     // go2(++x);

              }

              public void go2(int y) {

                     int x = ++y;

                     System.out.println(x);

              }

       }

public class  TrickyExample {

       public static void method(Object obj) {

              System.out.println("Object");

       }

       public static void method(String str) {

              System.out.println("String");

       }

       public static void main(String[] args) {

              method(null);

       }

}

public class  TrickyExample {

       public static void method(Object obj) {

              System.out.println("Object");

       }

       public static void method(String str) {

              System.out.println("String");

       }

       /*public static void method(Integer integer) {

              System.out.println("Integer");

       }*/

       public static void main(String[] args) {

              method(null);

       }

}

public class  TrickyExample {

       public static void method(Object obj) {

              System.out.println("Object");

       }

       public static void method(Exception exp) {

              System.out.println("Exception");

       }

       public static void method(ArithmeticException exp) {

              System.out.println("ArithmeticException");

       }

       public static void main(String[] args) {

              method(null);

       }

}

public class  TrickyExample {

      

       public static void main(String[] args) {

              if (null == null) {

                     System.out.println("hey this is true????");

              }

       }

}

public class  TrickyExample {

      

       public static void main(String[] args) {

              if (null == null) {

                     short x = 0;

                     int y = 05;

                     int z = 06;

                     int a = 1234;

                     x += a;

                     System.out.println("" + y + z + x);

              }

       }

}