Spring Interview Questions

c  c   cc  c

c

cc ccc
c cc
cc  c c
c  c c c  cc  cc   c  c c
ccc cccccc
c
c
cccc c c cc   c cc
c cccc

cc c cc

c   c cc  c cc  c c
cc c
c

 c !c
c "c  cc
 c  c c
 ccc c c !c

 c !ccc c
c   cc cccc# c  c
c c
cc c
cc
c!c   cc c c c !c c c c  c c  c
ccc
c cc c   cc ccc ccccc
 ccc
cc cc
cc
c c c   c  $cc jc jc jc

  ccc%c  !c  c$c&   cc c c c cc ccc  $c&   cc c

c'( c

 c#$cc
cc ccc $c  cc c

c c  c

Œ
   
  
 
 

 
 cc £cccc! ccc
c c (  c c "c&   c  ccc $cc jc

jc

jc

jc

º )c
c c cc cc

 c*
c "c  ccc c cc
cccc c
ccc  cc
c cc cc cccc ccc cc c ccc c
c
ccc c#c  c ºcc

 cccc c+ c c  cc',& c c 
 c cc ccc "c  cc c c c
 c    cccc c ccc cc cc c 
cc cc ÿc  cc c
c c c cc c
 c
c c c  ccc cc   ccc ccc +c# c
c c "c
c   cc c c+ c c  cccc  c c
c cc  c cc    c c  cc  c ccc  cc -  cc  c cc c

"c  c

cc   c c)c c cc  c c c

c c   c c c!cc   !c c c  !c c   c c c ccc

-ccc c
c c

 cc c  cc cccc
c #c c  c 

 c  c" c c
c
 c c c
c  c cccc 
!c

ccccccc

c cc   ccc
c c  cc
c c c'.//c

 c  cc

[cccc  cc
c " c
c c c  ccc $cc jc jc jc jc

 c
cc
c0c
cc c ccc c c cc

 c/ c%"'"c% c
cc c
 c
c cc
c%"'"c

 c c  c  c ccc &   c  c c  c c c   c'&(cc "  cc c c c- cc

‰ccc  cc
c c # $c   cc

c
 cccc)c c   c
cc c c  c cc c1º(c c
c  c
cccc c   cc$c%c ÿc  cc
c c  c c
c
+c  c c c
cc c
c   c c c cc c c   cc &
cc&'%c

 c

c c c  c c c
c  cc   c

 c cc ccc %c

 c  c c c
c cc c  c c

 cc ()c* "%c

 cc
cº cc

 c !cc cc  c   c
c cc

c ccc  !c cc cc 
cc' %!c !c !c #!c c%" c(c
c c ccc c c c  cº c2c + c(%c

 c c cc c cc c  c  c
c  c
c ccc
c c  c !c c cccc c  c
c c
c-cc  c  c

cc ccc'.//c   c cc cccc c  cc   c ,-c./
c0$%cc
c'&(c cc c
c  c cc   c#  c

!c

c   c
cc
  cc  c
c3 !c'&"!c c( $c  c

cc  cc
c3 !c'&"c c( c cc #c c*-c

 ccc!c
c  c c

c   c
c'c c
c*cccc
cc c
  c- c +c c  c+c cc cc 1ccc c !c $ c
cccc c
c

 c #c!c  cc #c
cc 

 c c-c

 c
ccc  c

c cc cc
cc   c
  c c+c c c c c

c  c c+c ccc cc cc  c   c

c
cG


c ücccc
 cc
cc
c

 c c%c -c& cc)cc cc
c cc c c  cc  c cc - cc c
cc  cc c   c%c  -c& cc)cc  cc c
cc c c !c 
c   ccc 2cc c-c*c c c( 2cccc cc
c  cc c c c
c( 2c
c( c&   c c c c
 c c c
 c  c
c c 
 cc cc c jc

jc

( 2ccccc c c ccc
cc   c
cc
c c c  c c c c c
c  c cc ( 2ccc c c
c cc cc !c cccc  ) c c c
cc

3cc c&

$c/ c c c cc  cc c

 !cccc c c
c c c c
c

 c !ccc ccc cc  cc c  !c
c 

 c #c" c
c !c c

 c #ccccc c (
c c c   !cc c
!c c  c c  c+c(ccc

$cc jc jc jc

c c c c#c!c  c

c c   ) cc c cccc ccc / cc c
cccc cc

cc ccc! c-c*cc&

$c/c ccc " c
c !c c

 c #ccccc c c(c

 c #c  c
ccc jc jc jc jc

jc



 c #c cc c c c#c!c  c

c c14 c c
ccc 

 c #c cc cccc c!c
cccc 

 c #c c 
c cc c
cccc cc  c  c c
c  cc c c
c  !c

c
ccc
 c cc c 
 c
cc c !c cc
 cc  c c

 c #cc Aÿc

$c  5cAc  ccc #c c c c
  c-cc c

 c #c cccAÿ!c 3 c c c

 c
ccc  -  cAc   cc

jc

º c

$c
c

 c #c  cº !c c   ccc c)c!c
c
cc   c c

cc

ccccc
$ ccc&

$c/c c ccc
c
c cc   c c

 c #ccc jc

jc

jc

$

'4$&

$/c%c cÿc #c   c c c6ºÿc c c c
c 
!c c #c   cc 
cc
c 

 c #ccc c
c

 c 
cc c
ccc 

  #c #c7c c%
6

  #8 #89cc *$  4$&

$/c%c cc #c   c c c6ºÿc c c 
c c
c

 c #ccc c
c ccc c
c ccc 

  #c #c7c c2 6

  #8 #89cc 4$!&

$/c%c cc #c   c c c6ºÿc c  c 
 ccc

 cc

£c0 c cc
$c
c
$c$"c$"c c ccc2cc c  c

 cc c
c  c $c jc jc jc jc jc

 c  c
c  c
c   c  c    c
c  c  !ccc cc
!c   c !c

 c"%c c" c% c c6ºÿc cc  c  c c  c c
cc
c   c

-ccc cc
$c-c$c$cc
c-c*cc c ccc( c cc c  c( c2c  ccc $c jc jc jc jc jc jc jc


c  c  c  c
c 5c   c c
c6ºÿc c c  c
c  cc 0 c
c   c  !c  c  cc c
c  cc  c c 
c c   c

c
c c  c
c( ,c  !c
c cc ( ,c  c
c 5c &cc

c
c c  c
c( 2c  !c
c cc ( 2!c  c c  c c cc

c
cc c( %%cc
c
c !c
c -c %(  ) c
ccccc

c c -
cc  c c
c !ccccc 2 !c c
cc c( %%cc
c
c !c
c

%  ) c
ccccc

[ccc cc!c-c c cc
cc c c c c

 c   c c
 c
c  c   cc ccc( c c ‰ccc cc!c& c c ccc
c  c  ccccc 
 c c c c
c  c
ccc cccc  ccc
c c c

c cc   c
c  c c
c( 2c
c c   c
c  c jc jc jc jc jc

cc ,c   cc  cc cc

1cc c$)!$5 $  c ccccccc  c ccc' c2c Ac   c
c # c
c c'c c2c c c
 c

cccc' 2c  c  c
c
ccccc  
   c üc0 cccc, c  c* c, *c c
 cc ccc' 2c c  cc
cc c
cc !cc c c
cc c "c c(c c' 2c - c c
c - #c  c !cc c
c2 cc  c
c cc cc' 2c c
ccc 
c c cc c
c  *c c c' 2c c  c cc$cc jc

$)!$5 $ %c  cc
cc' 2ccc
cc cc' 2c c  c
cc

:;#c 781&" %/c c%0(ÿ c8-?? %A ,@??& &c(/,??/,8c ccc8
 $??   ??  - 8=c : - =c ccc:

 =c cccccc:-=c ccccccccc    &  Ac cccccc:?-=c ccc:?

 =c :? - =c
c&  Acc ccc cc
c cc c 
c  c' 2c   !c c
 cc  c c #c *

  #c
cc ccc c   c c c' 2 c cc jc

2 #0$c Accc
 c

 c c

 cc c c - #!cccc cc cccc c # c
c2 #0ccc
cc cccc *

  #0!c# c
cccc2 #c c
c 
 cc  #c cc



  #c#c7c 2 #0*

  #2 #   9c 2cc cc, c  c* c, *c6c
cc  cc

 c ccc' c2c Ac   c
c# c


c c' c2c c c
 c*
 ccccc c !c
c  c
cc  $c jc jc jc

jc jc

&cc c
c
c  c cc#c cc c+!c !c 

 ;c c!c ccc

c
cc c' c2c c c   c c
cc ;c c!c cc c
cc!c c c
c c
cccc

c
c  c  c c
cc c c
c  c *

  #c c
c

 ;c c!ccccc c c c   !c c c
c  cc
cc

c
cc c c cc  c   c c
cc !c c c  c ( 2ccc c c
c cc cc !c cccc  ) c c c
c

ccc c
c
!cc c   cc
c' c2cc  c ccc c c c 3cc c cc, *6c
cc c

 c-c' 2c  cc c
 c c c
 c
cc# c c
c c ccc c c !c
ccc c
c  c
c ccc c  c
 ccc cc cc c0 ccc c   c

$c c
 ccc c cc c

 c
c  !cc
cc  $cc jc jc

 c  cc cc cc !c c
c #ÿ% !c  cc
c   c cc  c #c cc c  c 

cc ccc  - c c # c cc*

  #c
cc

ccc5(7 c
c

 c cc ccc
c

 cc$$ c5(7 c$cc jc jc jc jc jc jc

3 cc (cc '%c'c% c% cc  ÿ cc '&"c'c&c"cc "'(cc

£cccc  cc

c0!c c
c c ccc
ccc


cc  5c3 c  $c jc jc

 c c c
cc3   c ccc /#  c3 & 

c c

 c c"%c  cc

-c0 ccc
cc0!c c0!

 c ccc  c c3 c c c c  5c  2cc ÿ  2c
c  c cc cAc c

jc jc jc

 c
c3 c  2cc /# cc&"c    c c3 & 

cc *c c   c 

c
c"%cc

[ccc-c 
 cc
c* "c c ccc
c  c2c

c#c c c c

c
ccc c c cc cc-c

  #c
c c

ccc$cc c

&  c

 cc   c

 cc c c   ccc cc  c c  c c   c

 c  cc c c   cc c c cc  c +c  cc c c   cc
c c cc c3 %c+9c
cc 
c cc3 %c+cc
cc c  c cc cc c
c c cc c c   c" cc c
c #c cc-c  c 

  #c  c  cc c c   cc
c c cc3 %c  c" cc c 
c #c cc-c  c

  #c

c  c

 cc c c   cc
c c ccc3 %c  c  c cc
 cc cc c #c" cc c
c #c cc -c  c

  #c

c ‰cc c&' c ccc - c  !cc"%!ccc  c
+c
cc

cc)c c  !cc
c
ccc
c c  c c  !c
cc c c  c  c
cc c  c"%cc
c !c

c  c
c  c cc cc cc 1c0 cc&'c cc
 c cccð
  
   c cc  c!c  ccc  c c/'(ccc
cc  c
ccc c  c  !c

cc c
c  c2c  c   cccc  cc !c   c
cc c""%c 
c"%cc üccc cc!c&
c cc cccc) c cc  c
ccc cc   c  c ccc# c cc c  c c'.//c

 c c  c"%!c cc   c ccc
c
-c


cccc  c
c
cB c  cB 'ccc 2ccc cc!c,' cc c  c c
c# c cc !c
cc
c# c cc
cc
c
  c c c#  c c  c"%!cc c  cc  cc
c# cc

£3ccc cc!c&  c  c cc c ccc c c  c&  c c cc c 8 !8c8 8c c8 8ccº c"%c !c  c  !cc c cc c  !c   cc
 c c  c8 8c
c c  cc £cccc
 cc&  cc  c c$cc jc

jc jc jc jc

^ $cc
c#c cc c  !cc

cc c
c
c cc  c# c c  cc
c c  c cc
c c #  cc ð

  $cccc#c cc c  c c $c c# !c cc
c c
c
 c c#  c ð

  $cccc#c cc
c#cc
 c c #  c ð
 

 $cccc#cc c
c cc

cc c

 c#c cc#  c c ð $cc
c cc c  c
ccc
c  c
c c
cc  c c cc cc c  cc
c  c c c
c
c  c ccc  c c
 c

cc

cc
c c  ccc
c
cc
c# cc  c c c ccc
 c c#  c

£cccc
 ccc cc
c

 c c ccc  c2c

$c jc jc

%c  c  cc &c  c  cc

££cccc! ccc
c* "c cc c ccc
c  c2c cc  c c c  c  c
c c
c  c  $cc jc jc jc jc

%cc  c  ccc  c  c% c
cc ' !c'&(!c3 !c'%!c c'&"cc 

cc  c  cc %cc c% c c c  c  c
 cc c c  #c  c% c
cc' cc

ccc
c  cccc cc

£-ccc c  ccc
c* "c c$ c c c c cccºcc c
c  c2c
cc  c  cc cc
c  c
c
cc c c

 c!c c
 ccc  c
c 
cc cc  - c

c  c £[c./
$cc $ cc c! c.,-c(+ccc
c * "8 c$ c c cccccccc c ccc
cc


cc$ccc cc  c  c
ccc cc  cc c
cc cc

cccc ccccA" cc
 cc  c #c c c
c   c$c jc

jc jc jc

jc

0 c/'(cº !c

cccc' !c
c  c2cc  c   cc c c   c c cc
c'&(!c'&"!c3 cc 
c  c c
c!c
c  c
 c c
c  c2c cc  c  ccc

cc  c!c cc cc
cc/'(cc
c  c2c ccc$c
ccc c
c c/'(c + c(
c c cc

c cccc c
c  c2ccc c

 cc)c  c
!c  c"%c*
c/'(cº !cc
c ccc  c
c  c  c   c
c
 cA" c
c  c2cc c

c   c c  c #cc c!ccc

- c

 ccc

£‰cccc!9$$c

cc $ c

 cc

c c c c c? c

 c"Aºccc
c '&(cc  c
c"Aºcc  c c

ccc cc  c !  !c  c" 
!cG !c c^ð#$!c  5c  c   c

c
c c
c ! ccccG^c £1ccc c
cc$ c cc c ccc%c  c  cccccc c cc
ccc c c  c  cc " c
c
c
 !c cc

 c
c c  c  !cc   c  ccc

c c c  c  cc c  c!c cc c cc cc £üc./
$c! cc
c&c

c cc
c&cc"c&"c

c c  cccc ccccc
c cc
cc'&(!c3 cc'&"c cc  cc
cc cc 
c c
c  c
c cc cccc ccc 
c cc
 c#  c
cc  cc
c
c c £2cccc/
 c c!cc
c&c$

 c cc

 c&"cc
c#  c

ccc c &/#     &/#    c cc    c  c c
-  c#  cc Cÿ/#  ccc c #  cc

c
c
c&/#  cc
cc#  c
c #  c c
c c#  c -3cc c #./
+ $c cc Cÿ/#   !cc c  ccc  ccc
c c c  c Cÿ/#  c c  c c--- c    &/#  cc -cc c
8 c,!+
$c c

 cG 
cc ccc c
ccc

c '&(c'  c c c   c
c c c
 c
cc   ccc c cc!c# c  c cc

 !c c  cccc
  cc '  c c7c c'  & 9c -cc c'
 c c ccc%   $c jc jc jc jc

c c c
cc cc  c c ccccc 3c c
cDc%     cc A  c c cc%   cc &c c cc
 c Cÿ/#  cc

-£cc c #' c c ccc Cÿ%$c jc jc jc

3c c
cDc +cc  c  cc%   c  cc 0 c c cc

--cc c5 $$!"0$c c ccc
cA3 c  c#cc c
cc ccA cc jc jc jc

3c c
cDc AA cc c c
cc cA cc  c cc

-[cccc c! c.,-cc
c c ccc  c c/'(c c  cc c /'(c 2cc   c jc   c jc

&c   c 

c

jc

jc

jc

 c ºccc' c   c cc 

c  c 
c  cc 
cc

 c  c   c c

c 
c  c  cc  c  c  c 
c c
c c ccc c 
cc
c Fcc  cc   cc

jc

jc

jc

jc

jc



c c  c    c

cc %    º c  !c   c' !c3 !c'&"!c c'&(c &c c c

cc   Ecccc
cc' c   c c  c  c  cc 

c
c  c  c cc 

cccc  c  c

c
cc

c   c
c# ccc  cc#  cc  cc  cc 
c c
c c c#  c  c


E
cc c c

c % c

&c c

&c   c



c c %cc c c  c
c  - c  c c  c
!c  c  cc  c '&(!c3 !c'&"!c c( c  c  c jc 

cc jc ,cc   c- -
c c

cc #cc  cc
c jc !c c  ccc   c c cc c c c  !c    c c

ccc

c
c c ccc

 c  c ccc   c  cc c jc &ccc  c c
c   c  c %c  - c %c # c ccccAº !c'6c
cc A%!c ccc

-‰ccccccc &'c "cc c
c!c   cc c c c c
c "%c ccc  c*c!c

cc cc c c
c c c#c1c c.cc -1cccc:&(. '&.;.55c/
 c c c
6 ccccc ! c cc

ccc
c  c/#  $cc ,º/ %/G/AA$c c cccccc
 c cc ccc

cc  c
ccc  c cccccccccccccccc ºc  !c
c#  cccc cc c c6 c ccºccc  cc.H