Write a program which will accept a string from the keyboard, “Java is fun!” Your program must determine the capacity of the string. Then, append a second string, “I love it!” to the first string. At this point you will enter a string “Yes, “ and insert this string so that the output of the entire string will display “Java is fun. Yes, I love it!”  Directions •	Create a class called Builder. •	Using the StringBuilder class, write a program which will accept a string from the keyboard, “Java is fun!” •	Your program must determine and display the capacity of the string. •	Append a second string, “I love it!” to the first string. •	Require the user to enter a string “Yes, “ •	Insert the string, “Yes ” at the correct location, such that the output of the entire string will be “Java is fun. Yes, I love it!” •	Display your output using clear and appropriate messages. •	Document each statement concisely. •	Save your complete console output to a text file to turn in with this assignment. •	Post your Java source code file and your output text file in Blackboard using the Assignment Upload link below.