Find A Word In String In Java With Code Examples

Created at 24-Nov-2022, By samar

Find A Word In String In Java With Code Examples

With this article, we’ll look at some examples of how to address the "Find A Word In String In Java With Code Examples" problem.

The String is a sequence of characters and a class in Java. To find a word in the string, we are using indexOf() and contains() methods of String class. The indexOf() method is used to find an index of the specified substring in the present string.

class SearchWord {
    public static void main(String[] args) {
        String s = "I have an banana";
        if (s.indexOf("banana") != -1){
        		System.out.println("banana found");
        }
    }
}

Output:

banana found
  • How do I find a word in a string in Java?

    Solution. This example shows how we can search a word within a String object using indexOf() method which returns a position index of a word within the string if found. Otherwise it returns -1.

  • How do I extract a specific word from a string in Java?

    You can extract a substring from a String using the substring() method of the String class to this method you need to pass the start and end indexes of the required substring.

  • How do you check if a string contains a text in Java?

    The contains() method checks whether a string contains a sequence of characters. Returns true if the characters exist and false if not.

  • How do I find a word in a string?

    To find a word in the string, we are using indexOf() and contains() methods of String class. The indexOf() method is used to find an index of the specified substring in the present string. It returns a positive integer as an index if substring found else returns -1.

  • How do I find a word present in a string?

    To find a word in the string, we are using indexOf() and contains() methods of String class. The indexOf() method is used to find an index of the specified substring in the present string. It returns a positive integer as an index if substring found else returns -1.

  • How do I extract words from a string?

    We can extract words from a string in many way , but here I am giving some way to extract a word from string

  • How do you find a substring in a string?

    You first check to see if a string contains a substring, and then you can use find() to find the position of the substring. That way, you know for sure that the substring is present. So, use find() to find the index position of a substring inside a string and not to look if the substring is present in the string.

  • How do I find a string in a string?

    The find() method returns an integer value: If the substring exists inside the string, it returns the index of the first occurence of the substring. If a substring doesn't exist inside the string, it returns -1.

  • How do I select a specific word in a string?

    If we want to extract a specific word from the string and we do not know the exact position of the word, we can first find the position of the word using find() method and then we can extract the word using string slicing.

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