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# Exercise Title Features Description Platform Keywords
1 Static Keyword Review Questions Question, Battery CS1-level review questions on the static keyword in Java. OpenDSA Static
2 Static Arrays C++ BehaviorExample for demonstrating Static Arrays AnnEx
3 Static Method Java BehaviorExample for demonstrating Static Method AnnEx
4 Static field to maintain the total value of Coin objects created Code Completion Add a private static variable to the Coin class that maintains the total value of all coins that were constructed.... CodeCheck Designing Classes
5 Static method for counting the number of times a character appears in a string Code Completion Supply a static method that counts the number of times that a specific character appears in a given string. For... CodeCheck Designing Classes
6 Static method for computing number of binary digits in n Code Completion Supply a static method that computes the number of binary digits in a given integer. For example, CodeCheck Designing Classes
7 Static field to count number of objects Code Completion Add a private static variable to the Coin class that counts the total number of coins that were constructed. Also... CodeCheck Designing Classes
8 Functional Programming Exercise: Static vs Dynamic Binding Tracing Exercise A question related to functional programming languages: static vs. dynamic binding. OpenDSA Functional Programming
9 Functional Programming Visualization: Static vs Dynamic Binding Algorithm Visualization, Code Tracing Presentation Slideshow illustrating static vs dynamic binding in a functional programming language. OpenDSA Functional Programming
10 Reverse toString for array Code Completion Complete the static toStringInReverse method in the MyMethods class so that it formats an array of int values in reverse... CodeCheck Recursion
11 Recursive toString for array Code Completion Complete the static mkString method in the MyMethods class so that it formats an array of int values, with the... CodeCheck Recursion
12 Recursive string reversal with helper method Code Completion Complete the static reverseHelper method so that the reverse method returns a String that is the reverse of the parameter... CodeCheck Recursion
13 Extract uppercase letters from string Code Completion Modify the static return upperCase method in the MyMethods class so that it returns a string of the upper case... CodeCheck Recursion
14 Find vowels in string with recursive helper method Code Completion Complete the MyMethods class so that the static vowels method returns a string of the vowels of the string parameter.... CodeCheck Recursion
15 Generic method for filling an array Code Completion The class below has a static method which sets all elements of an array to a value. The method is... CodeCheck Generic Types
16 An enum type describing chemical elements Code Completion Enumerated types in Java are quite powerful, in that they can contain methods and instance variables. An enum type class... CodeCheck Inheritance
17 PANDAS Statistics 1 From a class of 200 students, you have a dataset of students, their section, and grades. Start by inspecting the... PCEX json, pandas, statistics
18 PANDAS Stats 2 You're provided a dataframe of used cars using pandas. Select the 'type' and 'mileage' columns and use describe() to display... jsParsons pandas, statistics
19 PANDAS Stats 3 You're provided a dataframe of used cars using pandas. Count how many cars belong to each type using value_counts() and... jsParsons pandas, statistics
20 PANDAS Stats 1 You're provided a dataframe of used cars using pandas. Display the first 5 rows and calculate the average mileage of... jsParsons json, pandas, statistics
21 The Min/Max of Three Integers Construct a program that determines the smallest of the three integer values entered by the user. PCEX algorithm analysis, control flow, if statement, if-else statement, statistics
22 PANDAS Statistics 1 Challenge From a class of 200 students, you have a dataset of students, their section, and grades. Find students with grade... PCEX
23 Pandas Data Statistics 1 Python PredictingFinalResult for demonstrating Pandas Data Statistics 1 QuizPET pandas
24 Pandas Data Statistics 2 Python PredictingFinalResult for demonstrating Pandas Data Statistics 2 QuizPET pandas
25 Pandas Data Statistics 3 Python PredictingFinalResult for demonstrating Pandas Data Statistics 3 QuizPET pandas
26 Pandas Data Statistics 4 Python PredictingFinalResult for demonstrating Pandas Data Statistics 4 QuizPET pandas
27 Pandas Data Statistics 5 Python PredictingFinalResult for demonstrating Pandas Data Statistics 5 QuizPET pandas