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Java Strings Introduction

Java HackerRank

Difficulty Max Score Success Ratio
Easy 5 93.78%

"A string is traditionally a sequence of characters, either as a literal constant or as some kind of variable." — Wikipedia: String (computer science)

This exercise is to test your understanding of Java Strings. A sample String declaration:

String myString = "Hello World!"

The elements of a String are called characters. The number of characters in a String is called the length, and it can be retrieved with the String.length() method.

Given two strings of lowercase English letters, [SVG image] and [SVG image] , perform the following operations:

  1. Sum the lengths of [SVG image] and [SVG image] .
  2. Determine if [SVG image] is lexicographically larger than [SVG image] (i.e.: does [SVG image] come before [SVG image] in the dictionary?).
  3. Capitalize the first letter in [SVG image] and [SVG image] and print them on a single line, separated by a space. Input Format

The first line contains a string [SVG image] . The second line contains another string [SVG image] . The strings are comprised of only lowercase English letters.

Output Format

There are three lines of output:

For the first line, sum the lengths of [SVG image] and [SVG image] .

For the second line, write Yes if [SVG image] is lexicographically greater than [SVG image] otherwise print No instead.

For the third line, capitalize the first letter in both [SVG image] and [SVG image] and print them on a single line, separated by a space.

Sample Input 0

hello
java

Sample Output 0

9
No
Hello Java

Explanation 0

String [SVG image] is "hello" and [SVG image] is "java".

[SVG image] has a length of [SVG image] , and [SVG image] has a length of [SVG image] ; the sum of their lengths is [SVG image] .

When sorted alphabetically/lexicographically, "hello" precedes "java"; therefore, [SVG image] is not greater than [SVG image] and the answer is No.

When you capitalize the first letter of both [SVG image] and [SVG image] and then print them separated by a space, you get "Hello Java".

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