Write a method public static String scramble(String word) that constructs a scrambled version of a given word, randomly flipping two characters other than the first and last one. Then write a program that reads words and prints the scrambled words.

Write a short Java method that counts the number of vowels in a given character string.

Write a Java program that use the String methods indexOf and substring to find the first word in a string. We define word to be a string of characters that does not include whitespace. For example, the first word of the string " Hello, my good friend!" is the string "Hello," and the second word is the string "my". Your program should prompt the user to enter a sentence from the keyboard and then display the first word. A possible dialogue with the user might be:   Enter a sentence: Hello, my good friend! The first word in your sentence is: Hello,

Write a java class method named addQuotes that takes one parameter of type String. The method should return a string that's indentical to it's argument, but with a double quote character added at the beginning and end of the string.

A pet shop wants to give a discount to its clients if they buy one or more pets and at least four other items. The discount is equal to 15 percent of the cost of the other items, but not the pets. Implement a method: public static void discount (double[] prices, boolean[] isPet, int nItems) The method receives information about a particular sale. For the ith item, prices[i] is the price before any discount, and isPet[i] is true if the item is a pet. Wite a program that prompts a cashier to enter each price and then a y for a pet orn for another item. Use a price of -1 as a sentinel. Save the inputs in an array. Call the method that you implemented, and display the discount.

java Write a public static method named getStringReversed that takes in 1 argument of type String and returns the String in reverse order.

Write a program that prompts the user to input a sequence of characters and outputs the number of vowels. Name the program Lab10.java Write a value returning method isVowel that returns the value true if a given character is a vowel and otherwise returns false.

Write a Java program to find the number of words in the user entered String. for example: - i/p : o/p : 3 "Awaskar the vdarada"

Write in JAVA

Create a method in JAVA that returns a string when it receives three ints