java find all of letter in string
String stringName = "Hello";
String characterToFind = "l";
//This example will find all the Ls in this string and will print the index of
//it as soon as it is detected
for(int i = 0; i < stringName.length(); i++){
if(stringName.substring(i, i+1).equals(characterToFind)){
System.out.println(characterToFind + "found at " + i);
}
}Java program to print the character or a letter x using star
import java.util.*;class Main{public static void main(String args[]){ int i,j,n;Scanner sc = new Scanner(System.in);System.out.println("Enter the number to print the character");n = sc.nextInt();for(i=n;i>=1;i--){for(j=i;j<n;j++){System.out.print(" ");}for(j=1;j<=(2*i-1);j++){if(j==1 || j==(2*i-1))System.out.print("*");elseSystem.out.print(" ");}System.out.println("");} for(i=2;i<=n;i++){for(j=i;j<n;j++){System.out.print(" ");}for(j=1;j<=(2*i-1);j++){if(j==1 || j==(2*i-1))System.out.print("*");elseSystem.out.print(" ");}System.out.println("");} }}Copyright © 2021 Codeinu
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