What is the output of the following program? public class StackTest { public satic viod main(String] args) { ArrayStack st1=new ArrayStack): ArrayStack st2=new ArrayStack 0: for(int i = 1; i <= 6; i++) st1.push(i); whileist1.isEmptYO) f

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Java Program:

please choose an aswer: 

What is the output of the following program?
public class StackTest
{
public satic viod main(String[] args)
{
ArrayStack<Integer> st1=new ArrayStack<Integer>();
ArrayStack<Integer> st2=new ArrayStack <Integer>();
for(int i = 1; i <= 6; i++)
st1.push(i);
while(Ist1.isEmpty() {
int item = st1.pop0;
if(item % 2 == 0)
st2.push(item);
}
while(!st2.isEmpty())
st1.push(st2.pop();
while(!st1.isEmpty(0)
System.out.print(st1.pop() + " ");
(A) 642
(в) 135
246
(D) 531
Transcribed Image Text:What is the output of the following program? public class StackTest { public satic viod main(String[] args) { ArrayStack<Integer> st1=new ArrayStack<Integer>(); ArrayStack<Integer> st2=new ArrayStack <Integer>(); for(int i = 1; i <= 6; i++) st1.push(i); while(Ist1.isEmpty() { int item = st1.pop0; if(item % 2 == 0) st2.push(item); } while(!st2.isEmpty()) st1.push(st2.pop(); while(!st1.isEmpty(0) System.out.print(st1.pop() + " "); (A) 642 (в) 135 246 (D) 531
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