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 variablexwith a value of 100.int a=x++;This line initializes an integer variableawith the current value ofx(which is 100), then incrementsxby 1. So,ais 100 andxis now 101.int b=++x;This line incrementsxby 1 first (makingx102), then initializes an integer variablebwith the new value ofx. So,bis 102.int c=x++;This line initializes an integer variablecwith the current value ofx(which is 102), then incrementsxby 1. So,cis 102 andxis 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 ifais less thanb. If true, it then checks ifais less thanc. If true,dis assigned the value ofa. If false, it checks ifbis less thanc. If true,dis assigned the value ofb. If false,dis assigned the value ofc. In this case,ais 100,bis 102, andcis 102. So,dis assigned the value ofa, which is 100.
So, the result is A100.
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