Raghu's tutor provides him a simple sentence and asks him to count the number of words in the sentence. The words are separated by space.Example, if the tutor provides the sentence as "Welcome to Java", the output should beNumber of words 3The words are WelcometoJavaFill the space in the below code so that the code fulfills his requirement. Code : Scanner sc=new Scanner(System.in); String str=sc.nextLine(); String words[ ] = ; int count= ; //count holds the number of words in the sentence System.out.println("Number of words "+); System.out.println("The words are "); for(String : ) //for each loop System.out.println(x);
Question
Raghu's tutor provides him a simple sentence and asks him to count the number of words in the sentence. The words are separated by space.Example, if the tutor provides the sentence as "Welcome to Java", the output should beNumber of words 3The words are WelcometoJavaFill the space in the below code so that the code fulfills his requirement. Code : Scanner sc=new Scanner(System.in); String str=sc.nextLine(); String words[ ] = ; int count= ; //count holds the number of words in the sentence System.out.println("Number of words "+); System.out.println("The words are "); for(String : ) //for each loop System.out.println(x);
Solution
Here is the completed code:
Scanner sc=new Scanner(System.in);
String str=sc.nextLine();
String words[] = str.split(" ");
int count= words.length; //count holds the number of words in the sentence
System.out.println("Number of words "+ count);
System.out.println("The words are ");
for(String x : words) //for each loop
System.out.println(x);
In this code, we are using the split method of the String class to split the input string into an array of words. The split method takes a regular expression as a parameter, and in this case, we are using a space (" ") as the delimiter. The length property of the array gives us the number of words in the sentence. We then print the count and each word in the sentence using a for-each loop.
Similar Questions
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