public class Main { public static void main(String[] argv) { String str = "java2s.com"; char searchChar = 'o'; System.out.println(lastIndexOf(str, searchChar)); }/*w ww. j av a 2 s . c om*/ public static int lastIndexOf(String str, char searchChar) { if (isEmpty(str)...
To find the character in a string in Python: Use the find() method to find the index of the first occurrence of the supplied character in the input String. Use an if statement to check if the returned index is not -1; if so, print that index; otherwise, print an error. Use find(...
Last update on March 17 2025 13:24:24 (UTC/GMT +8 hours) Write a Java program to find the first non-repeating character in a string. Visual Presentation: Sample Solution: Java Code: // Importing necessary Java utilities.importjava.util.*;// Define a class named Main.publicclassMain{//...
Original String: wresource First unique character of the above: 0 Flowchart: For more Practice: Solve these Related Problems: Write a Java program to find the index of the first non-repeating vowel in a given string. Write a Java program to find the index of the last unique character in ...
Use String.lastIndexOf to find a character in a string : String Find Search « Data Type « Java TutorialJava Tutorial Data Type String Find Search public class MainClass { public static void main( String args[] ) { String letters = "abcdefghijklmabcdefghijklm"; System.out.printf( ...
C++ program to find the last index of a character in a string #include<iostream>#include<string.h>usingnamespacestd;//function to get lastt index of a characterintgetLastIndex(char*s,charc){intlength;inti;//loop counter//get lengthlength=strlen(s);//run loop from length-1 to 0for(...
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Learn how to find the last index of a particular word in a string using Java. This guide provides clear examples and explanations for better understanding.
import java.util.HashMap; public class FindFrequencyCharMain { public static void main(String[] args) { String str = "java2blog"; HashMap<Character,Integer> charFreqMap = new HashMap<>(); for(int i= 0 ; i< str.length() ; i++) { Character ch=str.charAt(i); if(charFreqMap.co...
Finding the first non-repeating character in a string is a common programming problem. It involves finding the first character that appears only once in the string. This task helps understand how to manipulate strings and use basic data structures in Java. Problem Statement Given a str...