public int lastIndexOf(String str);

public int lastIndexOf(String str, int fromIndex);

public int lastIndexOf(String str);

package in.bench.resources.stringbuffer.methods;

public class StringBufferLastIndexOfMethod {

	/**
	 * lastIndexOf() - starts searching from backward
	 * prints index-position from left-to-right
	 * very similar to indexOf() method
	 * @param args
	 */
	public static void main(String[] args) {

		// StringBuffer
		StringBuffer sb = new StringBuffer(
				"East is East and West is West");

		// 1. To get LAST index of substring 'West'
		int lastIndexOfSubstring1 = sb.lastIndexOf("West");

		// print to console
		System.out.println("1. Last index of substring"
				+ " 'West' is : " + lastIndexOfSubstring1);

		// 2. To get LAST index of substring 'East'
		int lastIndexOfSubstring2 = sb.lastIndexOf("East");

		// print to console
		System.out.println("2. Last index of substring"
				+ " 'East' is : " + lastIndexOfSubstring2);
	}
}

1. Last index of substring 'West' is : 25
2. Last index of substring 'East' is : 8

public int lastIndexOf(String str, int fromIndex);

package in.bench.resources.stringbuffer.methods;

public class StringBufferLastIndexOfMethod2 {

	/**
	 * lastIndexOf() - starts searching from backward
	 * prints index-position from left-to-right
	 * very similar to indexOf() method
	 * @param args
	 */
	public static void main(String[] args) {

		// StringBuffer
		StringBuffer sb = new StringBuffer(
				"East is East and West is West");

		// 1. To get LAST index of substring 'East',
		// starting from 8th position
		int lastIndexOfSubstring = sb.lastIndexOf("East", 8);

		// print to console
		System.out.println("1. Last index of substring 'East',"
				+ " starting from 8th position is  : "
				+ lastIndexOfSubstring);

		// 2. To get LAST index of substring 'West',
		// starting from 21st position
		int lastIndexOfSubstringFrom = sb.lastIndexOf("West", 21);

		// print to console
		System.out.println("2. Last index of substring 'West', "
				+ "starting from 21st position is : "
				+ lastIndexOfSubstringFrom);
	}
}

1. Last index of substring 'East',
							starting from 8th position is  : 8
2. Last index of substring 'West',
							starting from 21st position is : 17