Write the method catDog
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Use for loops in Java Language
Write the method catDog.
*
* Given a String str, return true if the words "cat" and "dog" appear the same
* number of times in the string.
*
* Examples: catDog("catdog") returns true catDog("catcat") returns false
* catDog("1cat1cadodog") returns true
*
* @param str the String to examine.
* @return true if there are the same number of cats and dogs.
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- Use for loop in Java language Write the method stringSplosion().* * The method takes one parameter, a non-empty String str (such as "Code") and* returns a String in the form "CCoCodCode". Notice that this includes the* first character of the original String, followed by the first two characters,* and so on until the whole String is used.* * Examples: stringSplosion("Code") returns "CCoCodCode" stringSplosion("abc")* returns "aababc" stringSplosion("x") returns "x"* * @param str the input String to process.* @return a new String as described above.public static String pancakeScramble(String text) This nifty little problem is taken from the excellent Wolfram Challenges problem site where you can also see examples of what the result should be for various arguments. Given a text string, construct a new string by reversing its first two characters, then reversing the first three characters of that, and so on, until the last round where you reverse your entire current stringLab Task 04: Include the methods in the file KMP_Implementation.txt in a complete Java program that prompts for and reads a text string and then a text pattern to search for in the text. It then displays the result of the search. Sample program runs: Enter the text: ABABСАВАВАВСАВАВСАВАВСАВАВКККАВАВСАВАВ Enter the pattern to search for: ABABCABAB Pattern found at these text starting indexes: 0 Enter the text: A KFUPM STUDENT Enter the pattern to search for: KFE Pattern not in text. 7 12 17 29
- public static String pancakeScramble(String text) This nifty little problem is taken from the excellent Wolfram Challenges problem site where you can also see examples of what the result should be for various arguments. Given a text string, construct a new string by reversing its first two characters, then reversing the first three characters of that, and so on, until the last round where you reverse your entire current string. This problem is an exercise in Java string manipulation. For some mysterious reason, the Java String type does not come with a reverse method. The canonical way to reverse a Java string str is to first convert it to mutable StringBuilder, reverse its contents, and convert the result back to an immutable string, that is, str = new StringBuilder(str).reverse().tostring(); A bit convoluted, but does what is needed without fuss or muss. Maybe one day the Java strings will come with the reverse method built in, just like the string data types of all sensible…Write a method that finds the number of occurrences of a specified character in a string using thefollowing header:public static int countLetter(String str, char ch)Write a test program that prompts the user to enter a word and a letter of the alphabet. Theprogram should then count and display the number of occurrences of the letter in the word. Asample dialog for the program is shown below:public static String pancakeScramble(String text) This nifty little problem is taken from the excellent Wolfram Challenges problem site where you can also see examples of what the result should be for various arguments. Given a text string, construct a new string by reversing its first two characters, then reversing the first three characters of that, and so on, until the last round where you reverse your entire current string.This problem is an exercise in Java string manipulation. For some mysterious reason, the Java String type does not come with a reverse method. The canonical way to reverse a Java string str is to first convert it to mutable StringBuilder, reverse its contents, and convert the result back to an immutable string, that is,str = new StringBuilder(str).reverse().toString(); Here's the tester it must pass: @Test public void testPancakeScramble() throws IOException {// Explicit test casesassertEquals("", P2J3.pancakeScramble(""));assertEquals("alu",…
- Given an input string, complete a helper method that extracts the vowels and returns the string of the vowels in the input string recursively. All strings are lowercase. Do not use any loops or regular expressions. Test case 1: extractVowel("i love you 3000") "ioeou" Test case 2: extractVowel("aiueo") "aiueo" Given methods: public static String extractVowel (String str) { return extractVowelHelper (str, 0, ""); } 1 2 3 4 private static boolean isVowel (char c){ return c == 'a' || c == 'e' || c == 'i' || c == '0' || == 'u'; } 5. 6. 7.Write an application that counts by five from 5 through 500 inclusive, and that starts a new line after every multiple of 50 (50, 100, 150, and so on). public class CountByFives { public static void main (String args[]) { // Write your code here } }Palindromes - “A palindrome” is a string that reads the same from both directions. For example: the word "mom" is a palindrome. Also, the string "Murder for a jar of red rum" is a palindrome. - So, you need to implement a Boolean function that takes as input a string and its return is true (1) in case the string is a palindrome and false (0) otherwise. - There are many ways to detect if a phrase is a palindrome. The method that you will implement in this task is by using two stacks. This works as follows. Push the left half of the characters to one stack (from left to right) and push the second half of the characters (from right to left) to another stack. Pop from both stacks and return false if at any time the two popped characters are different. Otherwise, you return true after comparing all the elements. Phrases of odd length have to be treated by skipping the middle element like the word "mom", your halves are "m" and "m". - Hint: (without using STL)
- 1. Write the method named shift3() You are given a String str. Return a new String where all of the characters are "shifted" by 3. Here is the algorithm to do this 1. Visit each character in the String 2. Create a new char by adding 3 3. Store the new character in the output string Examples: shift3("hello") returns "khoor" shift3("cat") returns "fdw" shift3("frog") returns "iurj" @param str the String to start with @return the rotated String as described hereWrite a function that finds the number of occurrences of a specified character in a string using the following header:def count(s, ch):The str class has the count method. Implement your method without using the count method. For example, count("Welcome", 'e') returns 2. Write a test program that prompts the user to enter a string followed by a character and displays the number of occurrences of the character in the string.Rust Write a program that a user accidentally input a wrong word replace it with new words in that string. You mat create new string Input hey: i am java programmer O/p. hey : i am rust programmer