conta

Quante Q? Contare quante volte la lettera Q, maiuscola o minuscola, appare in una stringa s. conta("quero") → 1 conta("Quero") → 1 conta("piero") → 0 Go...Save, Compile, Run (ctrl-enter) int conta(String s) } Go Editor font size %:75100125150 Shorter output

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Java Help

• Java Example Solution Code
• Java String Introduction (video)
• Java Substring v2 (video)
• Java String Equals and Loops
• Java String indexOf and Parsing
• Java If and Boolean Logic
•   If Boolean Logic Example Solution Code 1 (video)
•   If Boolean Logic Example Solution Code 2 (video)
• Java For and While Loops
• Java Arrays and Loops
• Java Map Introduction
• Java Map WordCount
• Java Functional Mapping
• Java Functional Filtering

Misc Code Practice

• Code Badges
• Introduction to Mod (video)
• MakeBricks problem and solution (video x 2)
• FizzBuzz the famous code interview question (video)

Difficulty: 200

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