Page 75 - CTS - CSA TP - Volume 2

COMPUTER SOFTWARE APPLICATION - CITS

EXERCISE 91 : Use the JAVA character class methods

Objectives

At the end of this exercise you shall be able to
• know more about the use of character class methods in Java
• develop Java programs using character class methods.

Requirements

Tools/Materials
• PC/Laptop with Windows OS
• JDK Software
• Text editor (Visual studio / Sublime / Note pad)

Procedure

Here are some examples demonstrating the use of various methods in the Character class in Java:
TASK 1: Check if a Character is a Letter or Digit
public class CharacterExample1 {
public static void main(String[] args) {

char ch1 = ‘A’;
char ch2 = ‘5’;

System.out.println(ch1 + “ is a letter: “ + Character.isLetter(ch1));

System.out.println(ch2 + “ is a digit: “ + Character.isDigit(ch2));
}
}

Output;

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