Question

Program to print words whose first character of the word is uppercase and last character of the word is lowercase.

				
					Enter the Sentence:
Quick brown fox Jumped over the Lazy dog
Words whose first letter is uppercase and last letter is lowerCase:
Quick Jumped Lazy 

Enter the Sentence:
The capital of India is New Delhi.
Words whose first letter is uppercase and last letter is lowerCase:
The India New Delhi

Share code with your friends

Code

				
					import java.util.Scanner;
public class WordWithFirstLetterUppercaseAndLastLetterLowercase
{
    public static void main()
    {
        int i=0,len=0,lengthOfWord=0;
        String sen="",newSen="",wd="";
        char ch=' ',lastCharacter=' ';
        Scanner sc=new Scanner(System.in);
        System.out.println("Enter the Sentence that ends with a full stop:");
        sen=sc.nextLine();
        len=sen.length();
        lastCharacter=sen.charAt(len-1);
        //This 'if' condition will put full stop if user has not done it 
        if(lastCharacter!='.')
        {
            sen=sen+".";
            len++;
        }
        for(i=0;i< len;i++)
        {
            ch=sen.charAt(i);
            if(ch==' '||ch=='.')
            {
                lengthOfWord=wd.length();
                lastCharacter=wd.charAt(lengthOfWord-1);
                // This 'if' condition case check if the first character is uppercase and last character is lowercase.
                if(Character.isUpperCase(wd.charAt(0))&&Character.isLowerCase(lastCharacter)==true)
                {
                    newSen=newSen+wd;
                    newSen=newSen+" ";
                }
                wd="";
            }
            else
            {
                wd=wd+ch;
            }
        }
        System.out.println("Words whose first letter is uppercase and last letter is lowerCase:");
        System.out.println(newSen);
    }
}