Write a Java program to get the last index of a string within a string.
Sample string of all alphabet: "The quick brown fox jumps over the lazy dog."

Java Programming Language / String in java

828

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Program:

public class Exercise {
public static void main(String[] args)
    {
        String str = "The quick brown fox jumps over the lazy dog.";

        // Get the index of all the characters of the alphabet
        // starting from the beginning of the String.
        int a = str.lastIndexOf("a", str.length() - 1);
        int b = str.lastIndexOf("b", str.length() - 1);
        int c = str.lastIndexOf("c", str.length() - 1);
        int d = str.lastIndexOf("d", str.length() - 1);
        int e = str.lastIndexOf("e", str.length() - 1);
        int f = str.lastIndexOf("f", str.length() - 1);
        int g = str.lastIndexOf("g", str.length() - 1);
        int h = str.lastIndexOf("h", str.length() - 1);
        int i = str.lastIndexOf("i", str.length() - 1);
        int j = str.lastIndexOf("j", str.length() - 1);
        int k = str.lastIndexOf("k", str.length() - 1);
        int l = str.lastIndexOf("l", str.length() - 1);
        int m = str.lastIndexOf("m", str.length() - 1);
        int n = str.lastIndexOf("n", str.length() - 1);
        int o = str.lastIndexOf("o", str.length() - 1);
        int p = str.lastIndexOf("p", str.length() - 1);
        int q = str.lastIndexOf("q", str.length() - 1);
        int r = str.lastIndexOf("r", str.length() - 1);
        int s = str.lastIndexOf("s", str.length() - 1);
        int t = str.lastIndexOf("t", str.length() - 1);
        int u = str.lastIndexOf("u", str.length() - 1);
        int v = str.lastIndexOf("v", str.length() - 1);
        int w = str.lastIndexOf("w", str.length() - 1);
        int x = str.lastIndexOf("x", str.length() - 1);
        int y = str.lastIndexOf("y", str.length() - 1);
        int z = str.lastIndexOf("z", str.length() - 1);

        // Display the results of all the lastIndexOf method calls.
        System.out.println(" a  b c  d  e  f  g  h i  j");
        System.out.println("===========================");
        System.out.println(a + " " + b + " " + c + " " + d + " " +
                           e + " " + f + " " + g + " " + h + " " +
                           i + " " + j + "\n");

        System.out.println("k  l  m  n  o  p q  r  s  t");
        System.out.println("===========================");
        System.out.println(k + " " + l + " " + m + " " + n + " " +
                           o + " " + p + " " + q + " " + r + " " +
                           s + " " + t + "\n");

        System.out.println(" u  v  w  x  y  z");
        System.out.println("=================");
        System.out.println(u + " " + v + " " + w + " " + x + " " +
                           y + " " + z);
    }
}

Output:

 a  b c  d  e  f  g  h i  j
===========================
36 10 7 40 33 16 42 32 6 20

k  l  m  n  o  p q  r  s  t
===========================
8 35 22 14 41 23 4 29 24 31

 u  v  w  x  y  z
=================
21 27 13 18 38 37
Press any key to continue . . .

Explanation:

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