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Wednesday, January 20, 2010

Java String lastIndexOf Example

String class lastIndexOf method example.


String class lastIndexOf method examle:- This example demonstrates the working of lastIndexOf method. This method returns the index or number location of letter from last of the statement.

Syntax:-lastIndexOf(String str)

Here is the code:-

 /**
* @(#) LastIndexOfString.java
* LastIndexOfString class demonstrates the working of lastIndexOf() method of String class of lang package
* @version 16-May-2008
* @author Rose India Team
*/


public class LastIndexOfString {
public static void main(String args[]) {

String prabhu = "o paalan haari", bholenaath;
// double quotes as arguments inside parentheses
// Method returns last index of letter or word passes in single ang
System.out.println("last index of letter 'i': "
+ prabhu.lastIndexOf('i'));

bholenaath = "bam bolo bam bolo bam bam bam";
// here instead of index of word 'bolo', the letter which word stats
// that is 'b', is returned and same happens every time for every word
// or statement
System.out.println("Index of letter 'b' is returned: "
+ bholenaath.lastIndexOf("bolo"));
// here were complete statement is passed in the arguments but still
// methos returns the index of first letter only
System.out.println("Index of letter 'o' is returned: "
+ prabhu.lastIndexOf("o paalan haari"));
}
}
Output of the program:-
last index of letter ' i ': 13
Index of letter 'b' is returned: 13
Index of letter 'o' is returned: 0

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