how to check if a char is a letter java
Character.isDigit(string.charAt(index)) //(JavaDoc) will return true if it's a digit
Character.isLetter(string.charAt(index)) //(JavaDoc) will return true if it's a letterhow to check if a char is a letter java
Character.isDigit(string.charAt(index)) //(JavaDoc) will return true if it's a digit
Character.isLetter(string.charAt(index)) //(JavaDoc) will return true if it's a lettercheck if a string contains a charater java
javaCopyimport java.util.*;
import java.lang.*;
import java.io.*;
public class Example1 {
public static void main(String[] args) {
String str = "Character";
System.out.println(str.contains("h"));
System.out.println(str.contains("Char"));
System.out.println(str.contains("ac"));
System.out.println(str.contains("v"));
System.out.println(str.contains("vl"));
}
}Copyright © 2021 Codeinu
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