Stack st=new Stack(); st.push("Saudi"); st.push("Brazil"); st.push("Canada"); System.out.println("Search of Dubia in stack:" +st.search("Dubai"));What is output of code?
a.Search of Dubia in stack: 2
b.Search of Dubia in stack: 1
c.Search of Dubia in stack: 0
d.Search of Dubia in stack: -1