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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the push method do in a Stack?
💡 Hint: Think about adding a new book on top of a stack of books.
Question 2
Easy
What does pop do in a Stack?
💡 Hint: Consider what happens if you remove the topmost book.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does the 'push' operation do in a stack?
- It adds an element to the bottom of the stack.
- It removes the top element.
- It adds an element to the top of the stack.
💡 Hint: Think about stacking items vertically.
Question 2
True or False: The peek operation removes the top element.
- True
- False
💡 Hint: Is it more like checking the time on a clock or taking it off the wall?
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Implement a method in Java that checks for balanced parentheses in an expression using a Stack.
💡 Hint: Consider what happens when you find an opening or closing parenthesis.
Question 2
Write a Java program that converts a decimal number to binary using a Stack.
💡 Hint: How do the remainders help in forming the binary number?
Challenge and get performance evaluation