Given the code fragment:int x=100;int a=x++;int b=++x;int c=x++;int d= (a<b) ? (a<c) ? a: (b<c) ? b : c;what is the result?A100B101C102D103ECompilation fails
Question
Given the code fragment:
int x=100;
int a=x++;
int b=++x;
int c=x++;
int d= (a<b) ? (a<c) ? a: (b<c) ? b : c;
what is the result?
A 100
B 101
C 102
D 103
E Compilation fails
Solution
The code fragment is written in Java. Let's break it down:
int x=100;
This line initializes an integer variablex
with a value of 100.int a=x++;
This line initializes an integer variablea
with the current value ofx
(which is 100), then incrementsx
by 1. So,a
is 100 andx
is now 101.int b=++x;
This line incrementsx
by 1 first (makingx
102), then initializes an integer variableb
with the new value ofx
. So,b
is 102.int c=x++;
This line initializes an integer variablec
with the current value ofx
(which is 102), then incrementsx
by 1. So,c
is 102 andx
is now 103.int d= (a<b) ? (a<c) ? a: (b<c) ? b : c;
This line uses the ternary operator? :
to assign a value tod
. It first checks ifa
is less thanb
. If true, it then checks ifa
is less thanc
. If true,d
is assigned the value ofa
. If false, it checks ifb
is less thanc
. If true,d
is assigned the value ofb
. If false,d
is assigned the value ofc
. In this case,a
is 100,b
is 102, andc
is 102. So,d
is assigned the value ofa
, which is 100.
So, the result is A100.
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