14 May String indexOf (String str) method in Java
The indexOf(String str) method in Java returns the index within this string of the first occurrence of the specified substring.
Syntax
Let us see the syntax,
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int indexOf(String str) |
Parameters
Let us see the parameters,
- str– string
Example
The following is an example of indexOf(String str),
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public class StudyopediaDemo { public static void main(String args[]) { String message = new String("Studyopedia provides free learning content!"); System.out.println("String:"+message); System.out.print("SubString: "); System.out.println("learning"); System.out.println("Index of substring: "+message.indexOf("learning")); } } |
Output
The following is the output,
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