More about Strings in Java
In this post, you will learn how to work with something more about strings so that you can use that same knowledge and thus evolve.
\n |
New line |
\t |
New tab (indentation) |
variable.Length |
Returns the number of characters (in case of a string) |
variable.toUpperCase() |
Turns all letters present in the string into uppercase letters |
variable.toLowerCase() |
Turns all letters present in the string into lowercase letters |
package com.caffeinealgorithm.programminginjava;
public class MoreAboutStrings {
public void Run() {
String firstName = "Nelson";
String lastName = "Silva";
int age = 25;
System.out.println("Name: " + firstName + ' ' + lastName + "\nAge: " + age);
System.out.println(new StringBuilder().append("Name: ").append(firstName).append(' ').append(lastName).append("\nAge: ").append(age));
System.out.printf("Name: %s %s\nAge: %d", firstName, lastName, age);
}
}
/*
Name: Nelson Silva
Age: 25
Name: Nelson Silva
Age: 25
Name: Nelson Silva
Age: 25
*/
Don’t forget to watch the video and you can always read this post in Portuguese.