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String indexOf() Method

In this section, you will get the detailed explanation about the indexOf() method of String class. We are going to use indexOf() method of String class in Java. The description of the code is given below for the usage of the method.

Description of the code:

Here, you will get to know about the indexOf() method through the following java program. In the program code given below, we have taken a String. To find the index of any character we have applied indexOf(); method and then we have passed the character in that to find its index as shown in the output.

The code of the program is given below:


public class stringDemo{

  public static void main(String[] args) throws Exception{

    String color = "bluegrey";

    int index = color.indexOf('e'); 

    System.out.println(index);

  }

}

Output of the program:

C:\unique>javac stringDemo.java

C:\unique>java stringDemo
3

C:\unique>

Download this example.

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Current Comments

4 comments so far (post your own) View All Comments Latest 10 Comments:

in util package i have so many doubts.by using this i can able to clear some of my doubts

Posted by kumaran on Saturday, 10.11.08 @ 18:19pm | #81018

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may I ask some specific questions?do you know the string class method?and their examples?just lyk ex."index method"....can you please give me the answers of my question?thanks .....

Posted by LJ on Sunday, 09.21.08 @ 11:34am | #80576

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anyone can easily understand this. very superb

Posted by rathidevi on Monday, 08.25.08 @ 11:59am | #74977

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how to read text document and only display string inside the bracket only.

Posted by dYeeLa on Wednesday, 05.14.08 @ 07:30am | #59760

View This Comment Separately

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