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Assume that peek ( ) , pop ( ) , push ( ) , printStack ( ) methods are defined in the Stack class. Also

Assume that peek(), pop(), push(), printStack() methods are defined in the Stack class. Also Node class is defined.
Find the correct output:
stack.push(10):
stack.push(20)
stack.push(50)
stack.push (40)
stack. peek():
System.out.printin(stack. peek()) ;
Your answer:
50
40
20
10
40
20
10
40
10
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