How Do I Find a Character in a String in Java

 Searching Characters in a String in Java

In the last article, we have learned how do I find a first non-repeated character in string in java and now here we are going to make a java program for how do I find a character in a string with a simple example.

Here we will find the index position of a character given in a java string by using the pre-defined method of a java String Object.

Here we will find the character position in a sting by using the indexOf( ) method of the String class.

So let's start searching for specific character in string.

Find Character in Java String

class FindingCharacterInString

{

public static void main(String args[])

{

String str = "how are you men";

int indexPosition = str.indexOf('a'); //finding character a String

System.out.println("Index Position of character a is  "+indexPosition);

}

}

Output : Index Position of character a is 4

Note the above program for finding a character will give you the first occurrence of the character's position not the second occurrence of a character.

Let's understand by simple example where we again find the character in a string but with a different character.

class FindingCharacterInString

{

public static void main(String args[])

{

String str = "how are you men";

int indexPosition = str.indexOf('o'); //finding character o String

System.out.println("Index Position of character o is  "+indexPosition);

}

}

Output: Index Position of character o is 1

So here we discussed some useful examples for how do i find a character in a String in java.