Java Language Basics - Practice Exercise 4

1. Write a java program to count the total number of occurrences of a given character in a string without using any loop? For Example- Java is java again java again count number of occurrence of a in the given string

2. Write a program to replace all d with f and all l with t in the given String

    Input: daily dry
    Output: faity fry
    Original string: daily dry
    New String: faity fry
   

3. Write a program that sets up a String variable containing a paragraph of text of your choice.

   a. Extract the words from the text and sort them into alphabetical order.

   b. Display the sorted list of words.

4. Write a program to transpose the given string.

    Input String : a quick brown fox jumps over the lazy dog
    Output String: a kciuq nworb xof spmuj revo eht yzal god
   

5. Write a program with the implementation of Regular Expression to find the presence of the name Harry in a string.

    Input: This is Harry.
    Output: Is Harry here ? true
    Input : This is Henry.
    Output: Is Harry here ? False
   

6. Write a program to find out the multiple occurrences of the given word in a string using Matcher methods.

    Input : She sells seashells by the seashore
    Given word: se
    Output :
    Found at: 4 - 6
    Found at: 10 - 12
    Found at: 27 – 29
   

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