In java Language 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 here
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In java Language
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
*
* 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 here
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- An English teacher is checking the length of words his students are using in their written essays. He asked each one of his students to write a sentence and then he need to get the average length of word for each student as he will give a prize for the student who have the maximum average word length. Help the teacher to know the name of the concerned student by implementing a Java program with the following steps: a. Write a Java method called averageStudentWordLength that takes one argument which is a 1D array of String of name sentence and return the average length of the sentence as a double value. b. Write a Java method called averageAllStudentWordLength that takes one argument which is a 2D array of String of name allStudentsSentence contains the sentences written by all students in the class and return the (as 1D array of double) the average word length for each of the sentence of student. This should be done by repeatedly calling the method averageStudentWordLength defined and…FOR JAVA Write a method called isPrime that takes a number and returns true if the input number is prime, and false otherwise. Then in the main method, take two numbers from user, and print the prime numbers between these two numbers. Output: Enter two numbers 4 20 5 7 11 13 17 19Write a while loop in java that prints a. All squares less than n. For example, if n is 100, print 0 1 4 9 16 25 36 49 64 81. b. All positive numbers that are divisible by 10 and less than n. For example, if n is 100, print 10 20 30 40 50 60 70 80 90. c. All powers of two less than n. For example, if n is 100, print 1 2 4 8 16 32 64.