(JAVA)Define a method getFrequency(anEntry) for the Linked List implementation of stack ADT. The method returns the number of occurrences of anEntry in the stack.
import java.util.LinkedList;
class MyStack{
LinkedList<Integer> stack;
MyStack(){
stack = new
LinkedList();
}
public void push(Integer e){
stack.push(e);
}
public Integer pop(){
return
stack.pop();
}
public Integer peek(){
return
stack.peek();
}
public int frequency(int element){
int count = 0;
for(Integer x :
stack){
if(x==element){
count++;
}
}
return count;
}
@Override
public String toString(){
return
stack.toString();
}
}
class Main {
public static void main(String[] args) {
MyStack stack = new
MyStack();
stack.push(2);
stack.push(2);
stack.push(3);
stack.push(2);
stack.push(5);
System.out.println("Stack is "+stack);
System.out.println(stack.frequency(2));
}
}
OUTPUT :
(JAVA)Define a method getFrequency(anEntry) for the Linked List implementation of stack ADT. The method returns the...
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