Ch6Extra1

package ch6extra1;
import java.util.Scanner;
import java.util.StringTokenizer;

public class Ch6Extra1
{
    public static void main(String[] args)
    {
        Scanner sc=new Scanner(System.in);
        System.out.print("Enter a sentence: ");
        String str=sc.nextLine();
        char[] array=str.toCharArray();

        //Character Counter
        System.out.println("Numbers of Characters: "+str.length());

        //Word Counter
        StringTokenizer tokens=new StringTokenizer(str);
        System.out.println("Number of Words: "+tokens.countTokens());

        //Reverse Sentence
        String reverse="";
        for(int c=str.length()-1;c>-1;c--)reverse+=array[c];
        System.out.println("Sentence reversed: "+reverse);

        //To Uppercase
        System.out.println("String in uppercase: "+str.toUpperCase());

        //To Lowercase
        System.out.println("String in lowercase: "+str.toLowerCase());

        //Vowel and Consonant Counter
        int vowelCount=0, consonantCount=0;
        String temp=str.toLowerCase();
        for(int c=0;c<temp.length();c++)
        {
            char ch=temp.charAt(c);
            if(ch=='a'||ch=='e'||ch=='i'||ch=='o'||ch=='u')vowelCount++;
            else if((ch>='a'&&ch<= 'z'))consonantCount++;
        }
        System.out.println("Vowel count: "+vowelCount);
        System.out.println("Consonant count: "+consonantCount);

        //First Word in ASCII
        System.out.print("First Word in ASCII: ");
        String firstWord="";
        String str2=str+' ';
        char[] array2=str2.toCharArray();
        for(int c=0;array2[c]!=' '||c>=str2.length();c++)
        {
            firstWord+=array[c];
            System.out.print((int)array2[c]);
            System.out.print(' ');
        }
        System.out.println("("+firstWord+")");

        //And Detector
        System.out.print("Sentence Contains 'and': ");
        if(str.contains("and"))System.out.print("True");
        else System.out.print("False");
        System.out.println();

        //Consecutive Vowel Counter
        System.out.println("Consecutive Vowels: ");
        str2=str.toLowerCase();
        array2=str2.toCharArray();
        boolean isA=false, isE=false, isI=false, isO=false, isU=false;
        for(int c=0;c<str.length();c++)
        {
            if(isA==false)if(array2[c]=='a'&&array2[c+1]=='a')
            {
                System.out.println("a occurs consecutively");
                isA=true;
            }
            if(isE==false)if(array2[c]=='e'&&array2[c+1]=='e')
            {
                System.out.println("e occurs consecutively");
                isE=true;
            }
            if(isI==false)if(array2[c]=='i'&&array2[c+1]=='i')
            {
                System.out.println("i occurs consecutively");
                isI=true;
            }
            if(isO==false)if(array2[c]=='o'&&array2[c+1]=='o')
            {
                System.out.println("o occurs consecutively");
                isO=true;
            }
            if(isU==false)if(array2[c]=='u'&&array2[c+1]=='u')
            {
                System.out.println("u occurs consecutively");
                isU=true;
            }
        }
        if(isA==false&&isE==false&&isI==false&&isO==false&&isU==false)System.out.println("No vowels occur consecutively");

        //Uppercase and Lowercase Count
        int upperCount=0, lowerCount=0;
        for(int c=0;c<str.length();c++)
        {
            for(int x=(int)'a';x<=(int)'z';x++)if(array[c]==x)lowerCount++;
            for(int x=(int)'A';x<=(int)'Z';x++)if(array[c]==x)upperCount++;
        }
        System.out.println("Number of uppercase characters: "+upperCount);
        System.out.println("Number of lowercase characters: "+lowerCount);

        //Punctuation Counter
        String chars="~!@#$%^&*()_+|}{:'?<>`-=\\][;,./";
        char[] punc=chars.toCharArray();
        int charCount=0;
        for(int c=0;c<str.length();c++)for(int x=0;x<chars.length();x++)if(array[c]==punc[x])charCount++;
        System.out.println("Punctuation Count: "+charCount);
    }
}