013-001-007
String Class Basic Methods
Easy
Problem Description
String class Basic Methods
In this problem, you will create a program that calls key String class methods (length(), charAt(), toUpperCase()) on the string "hello" and displays the character count, first character, and uppercase conversion to standard output.
Learning Objective: Understand the basics of text processing using key methods of the String class (length(), charAt(), toUpperCase()) from Java's standard library
Overview
Write a program that uses String class methods to get the length, retrieve a character at a specific position, and convert to uppercase for a given string.
Specifications
- Store the string
"hello"in a variabletext - Use
length()to get the character count and print in the format"Length: 5" - Use
charAt(0)to get the first character and print in the format"First: h" - Use
toUpperCase()to convert to uppercase and print in the format"Upper: HELLO"
Output Format
Length: 5
First: h
Upper: HELLO
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