Let's break it down step by step: ### 1. Integer.MAX_VALUE and...
August 29, 2025 at 08:51 PM
Let's break it down step by step:
1. Integer.MAX_VALUE and Overflow Behavior:
int temp = Integer.MAX_VALUE;
System.out.println("temp = " + temp);
temp++;
System.out.println("added 1 to temp = " + temp);
What does this part do?
Integer.MAX_VALUE
is the maximum value anint
type can store in Java, which is2,147,483,647
.temp
is assigned this maximum integer value.- The first
System.out.println
statement will print:temp = 2147483647
. - When
temp++
is executed, it causes an integer overflow, meaning the value "wraps around" to the minimumint
value, which is-2,147,483,648
. - The second
System.out.println
prints the new value:added 1 to temp = -2147483648
.
Key takeaway:
The code demonstrates Java's integer overflow behavior when exceeding the maximum integer value.
2. Python Set Intersection:
a = [1, 2, 3]
b = [2, 3, 4]
c = set(a) & set(b)
What does this part do?
a
andb
are lists in Python.set(a)
converts the lista
to a set, which removes duplicates and allows set operations. In this case,a
becomes{1, 2, 3}
.set(b)
converts the listb
to a set:{2, 3, 4}
.- The
&
operator computes the intersection of two sets, returning elements that are common to both sets. c
is assigned the result of this intersection, which is{2, 3}
.
Key takeaway:
The code demonstrates finding the intersection of two lists (a
and b
) by converting them to sets and using the &
operator. The final result stored in c
is {2, 3}
.
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