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How to find uppercase letters in a string in java

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instanceof java

Posts: 576
Nickname: instanceof
Registered: Jan, 2015

instanceof java is a java related one.
How to find uppercase letters in a string in java Posted: Aug 15, 2016 3:07 AM
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This post originated from an RSS feed registered with Java Buzz by instanceof java.
Original Post: How to find uppercase letters in a string in java
Feed Title: Instance Of Java
Feed URL: http://feeds.feedburner.com/blogspot/TXghwE
Feed Description: Instance of Java. A place where you can learn java in simple way each and every topic covered with many points and sample programs. 		Latest Java Buzz Posts
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  • How can we count upper case letter in String  java ?
  • How to find uppercase letters in String  java?
  • How to find capital letters in string in java?
  • How u discover the capital letter given sentence?
  • Yes We can find uppercase or capital letters in a String using isUpperCase() method of Character class in java
  • In order to find number of uppercase letters in a string of all capital letters in a string we need to iterate all characters of a string in a loop and check individual characters are uppercase letters or not using Character class provided isUpperCase() method.




Program #1: Java example program to find all capital letters / Uppercase letters in a String


  1. package findUppercaseletters.String;
  2. public class FinfUppercaseLetters {
  3.  
  4.     /**
  5.      * @website: www.instanceofjava.com
  6.      */
  7.  
  8.  public static void main(String[] args) {
  9.         
  10.         
  11.   String str= "How to Print Uppercase Letters in Java";
  12.  
  13.     for (int i = 0; i < str.length(); i++) {
  14.     
  15.             if(Character.isUpperCase(str.charAt(i))){    
  16.             System.out.println(str.charAt(i));
  17.             }
  18.             
  19.  }
  20.  
  21. }
  22.  
  23. }

 Output:


  1. H
  2. P
  3. U
  4. L
  5. J

Program #2: Java example program to count number of upperCase letters in a String


how to find uppercase letters in a string in java

Read: How to find uppercase letters in a string in java

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