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Usage of indexof in java

The indexOf method is used to search the index of an array element. Retrieve whether the array contains the given element, if the given element in indexOf method is found, it will return the index number of the element. If you want to know more detailed usage of indexof in java, you can read the following article.

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indexof java

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Usage of indexof in java

How to use indexof method

The indexOf method is used to search the index of an array element. It retrieves whether an array contains a given element. If a given element in JavaScript indexOf method is found, it returns the index number of that element.

Jan 26, 2019 pm 05:46 PM

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What does indexOf in java mean?

IndexOf in Java represents index. It can search for characters in a given string and return the subscript corresponding to the character. If it is not found, it returns [-1].

May 22, 2019 pm 05:06 PM

indexof java

What are the indexof methods in java?

The indexof methods in java are: 1. [indexOf(String str)] returns the specified character str in the string; 2. [indexOf(String str, int index)] returns the specified character str starting from the index position to find the specified character str in the string. Index once.

Feb 22, 2021 pm 03:24 PM

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What is the use of indexof method in java

indexof method: Note: The indexOf method returns an integer value indicating the starting position of the substring within the String object. If the substring is not found, -1 is returned. publicclassIndexOf{publicstaticvoidmain(String[]args){Strings="Li Hong#王海#林奇#鲁综合#唐梅"; Stringq="#";//The string to be found Stringrr="*";// Non-existent string inti=0;for(intj=0;j

May 17, 2023 pm 02:28 PM

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