Can you help me to write a java program to find the duplicate words and their number of occurrences in a string?

Answer 1

I also wanna know this....

Answer 2

what is hashmap.. ? is any other method available?

Answer 3

hashmaps are explained in the java course.

you can also split the string into words and simply interate over your other words and save the number somewhere

Answer 4

split the strings into the words, interate over the words and put them in a hashmap, the word is the key, increase the value by one when same word occures. done