importjava.util.Scanner; publicclassVowelFinder { publicstaticvoidmain(Stringargs[]) { charcharacter; Scannersacnner=newScanner(System.in); System.out.print("Enter an Alphabet : "); character=sacnner.next().charAt(0); if(character=='a'||character=='A'||character=='e'||character=='E'...
Example 3: Java Program to Check Alphabet using isAlphabetic() Methodclass Main { public static void main(String[] args) { // declare a variable char c = 'a'; // checks if c is an alphabet if (Character.isAlphabetic(c)) { System.out.println(c + " is an alphabet."); } else {...
Here’s a simple program that checks if an input character is a vowel or consonant using the if-else statement. Code Example import java.util.Scanner; public class VowelConsonantChecker { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); System.out.pri...
indexofmethod is present injava.lang.Stringpackage which takes char as method argument and returns int which is the index of the matched chat if found. Simple words, This methodreturns the index within this string of the first occurrence of the specified character. int index = string.indexOf(...
Program to check given character is an alphabet or not in javaimport java.util.Scanner; public class AlphabetOrNot { public static void main(String args[]) { //create and initialize object. char ch; Scanner scan = new Scanner(System.in); //Input character System.out.print("Enter a ...
Each character is associated with a numerical index, starting from 0 up to n-1, where n is the length of String. In this article, we will learn how to use the index to find the beginning of a given string in Java. Checking the Beginning of a Java String To check the beginning of...
79. "TabCharacter" /> 80. 81. <!-- 关键字 --> 82. <!-- 83. public static final XXX 是对一个常量的声明。如果使用 static 84. public final 就是错误的 85. --> 86. "ModifierOrder" /> 87. <!-- 多余的关键字 --> 88. "RedundantModifier" /> ...
In this quick tutorial, we’ll illustrate how we cancheck if aStringis containing at least one of each of the following: uppercase letter, lowercase letter, digit or special character in Java. 2. Using Regular Expressions One of the ways to perform our check is by using regular expressions...
public class Main { public static boolean containsOnlyNumbers(String str) { for (int i = 0; i < str.length(); i++) { if (!Character.isDigit(str.charAt(i))) return false; }/*from ww w . j av a 2 s.com*/ return true; } public static void main(String[] args) { S...
Home Question how to check if string contains '+' character You need this instead:if(s.contains("+")) contains() method of String class does not take regular expression as a parameter, it takes normal text.EDIT:String s = "ddjdjdj+kfkfkf"; if(s.contains("+")) { String parts[] ...