How to find uppercase letters in a string in java

• 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.      * 
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