Practice Exercises Java - Learn to program performing exercises with Java

Practice Exercises Java

Learn to program performing exercises with Java

12 Lessons Java with the Solutions - 228 Exercises Java with the solutions
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Exercises Java with Examples-
Practice Exercises Java 4,5 5 302940
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Strings manipulation - Practice Exercises Java

Lesson 4:

Structures and Strings

Exercise 4.18:

Strings manipulation


Create a program that asks the user for a string and:

- Replace all lowercase A by uppercase A, except if they are preceded with a space
- Display the initials (first letter and those after a space)
- Display odd letters uppercase and even letter lowercase

The program must display all generated strings.

Source Code:

import java.util.*;
public class Main
	static void main(String[] args)
		System.out.print("Tell a string: ");
		String Entry = new Scanner(;
		String result;
		result = Entry.replace("a", "A");

	public static String UppercaseFirst(String s)
		return Character.toUpperCase(s.charAt(0)) + s.substring(1);
Exercisey 4.18

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