how to get the count of specific word from a string in java code example

Example 1: count the number of words in a string java

public static void main(String[] args)
    { 
        //return the number of words in a string 
        
       String example = "This is a good exercise"; 
       
       int length = example.split(" ").length;
       
       System.out.println("The string is " + length + " words long.");
        
        
    }

Example 2: count the number of occurrences of a character in a string java

String line = "apples.oranges.bananas";
int count = line.length() - line.replace(".", "").length();
System.out.println(count);//displays 2