Java Data Type Tutorial - Java String.indexOf(String str)

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Syntax

String.indexOf(String str) has the following syntax.

public int indexOf(String str)

Example

In the following code shows how to use String.indexOf(String str) method.

 
public class Main {
  public static void main(String args[]) {
    String s = "this is a test from java2s.com.";

    System.out.println(s);
    System.out.println("indexOf(the) = " + s.indexOf("the"));

  }
}

The code above generates the following result.

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