java check if letter is uppercase code example
Example 1: java check string contains uppercase character
public boolean containsUpperCaseLetter(String s){
for(int i=0;i<s.length();i++){
if(Character.isUpperCase(s.charAt(i))){
return true;
}
}
return false;
}
Example 2: java check string contains uppercase character
yourString.chars().anyMatch(Character::isUpperCase)
Example 3: write a program to check whether the character is in lowercase or uppercase in java
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class Alphabet_Check {
public static void main(String args[]) throws IOException{
char m;
BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
System.out.print("Enter any alphabet:");
m = (char) bf.read();
if(m >= 97 && m <= 123){
System.out.println("Lower Case");
}
else if(m >= 65 && m <= 96){
System.out.println("Upper Case");
}
else if(m >= 48 && m <= 57){
System.out.println("Digit");
}
}
}