What is the functionality of the following piece of Java code?
Assume: 'a' is a non empty array of integers, the Stack class creates an array of specified size and provides a top pointer indicating TOS(top of stack), push and pop have normal meaning.
public void some_function(int[] a)
{
Stack S=new Stack(a.length);
int[] b=new int[a.length];
for(int i=0;i<a.length;i++)
{
S.push(a[i]);
}
for(int i=0;i<a.length;i++)
{
b[i]=(int)(S.pop());
}
System.out.println("output :");
for(int i=0;i<b.length;i++)
{
System.out.println(b[i]);
}
}
public void some_function(int[] a)
{
Stack S=new Stack(a.length);
int[] b=new int[a.length];
for(int i=0;i<a.length;i++)
{
S.push(a[i]);
}
for(int i=0;i<a.length;i++)
{
b[i]=(int)(S.pop());
}
System.out.println("output :");
for(int i=0;i<b.length;i++)
{
System.out.println(b[i]);
}
}A. print alternate elements of array
B. duplicate the given array
C. parentheses matching
D. reverse the array
Answer: Option D
This Question Belongs to Data Structure >> Introduction To Data Structures
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