Question

Find the duplicate characters of a sentence

				
					Enter the sentence:
the quick brown fox jumped over the lazy dog
D
E
H
O
R
T
U

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Code

Java

Python

Java

				
					import java.util.Scanner;
public class program
{
    public static void main(String[] args)
    {
        String sen="";
        char ch=' ',ch1=' ';
        int i=0,count=0,len=0,asciiValueOfA=0,asciiValueOfZ=0;
        Scanner sc = new Scanner(System.in);
        System.out.println("Enter the sentence:");
        sen = sc.nextLine();
        sen=sen.toUpperCase();
        asciiValueOfA=(int)'A';
        asciiValueOfZ=(int)'Z';
        len=sen.length();
        System.out.println("Duplicate characters in given sentence:);
        for(ch='A';ch<='Z';ch++)
        {
            count=0;
            for(i=0;i< len;i++)
            {
                ch1=sen.charAt(i);
                if(ch==ch1)
                {
                    count++;
                }
            }
            if(count>1)
            {
                System.out.println(ch);
            }
        }
    }
}

Python

				
					sen=input("Enter a sentence:")
sen=sen.upper()
count=0
length=len(sen)
# ord('A') will return ASCII value of character 'A'
asciiValueOfA=ord('A')
# ord('Z') will return ASCII value of character 'Z'
asciiValueOfZ=ord('Z')
print("Duplicate Characters in given Sentence:")
for i in range(asciiValueOfA,asciiValueOfZ+1):
    count = 0
    for ch in sen:
        #chr(i) will return character whose ASCII value is i
        # for example if i value is 65 then
        # chr(65) will return character 'A'
        if(chr(i)==ch):
            count=count+1
    if(count>1):
        print(chr(i))