代做Lab 10作业、代写Recursive Functions作业、代做Java编程作业、Java程序语言作业代写
Lab 10: Practicing Recursive Functions
Learning Objectives: The objective of this lab is to gain experience with writing recursive functions.
Assignment: Write in Java programming language for the following recursive functions (no credit for iterative implementations) and Write a main method to test the functions
a.Write a recursive function writeLine() that writes a character repeatedly to form a line of n characters. For example, writeLine('*',5) should produce the line *****.
b.Write a recursive function writeBlock() that uses the method writeLine() to write m lines of n characters each. For example, writeBlock('*',5,3) should produce the following output:
*****
*****
*****
c.Write a recursive function writeBackward() that write a given string of characters in reverse order. For example, writeBackward(“abcde”, 5) should give the output: edcba
d.Write a recursive function displayArrayList(ArrayList<int> A, int first, int last) that receives an ArrayList A, first index, last index and displays the ArrayList in order
e.Write a recursive function int vowels(String s, int size) that receives a string and returns the number of vowels in the string
f.Write a recursive function void ReverseString (String s) that receives a string and print the string backwards.
Submission
Follow our class coding standard to complete this lab, compile and run it, check out for credit.
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