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Objective
In this exercise, you are given an input string and a key. The key will be lowercase, but you need to return the index value where that key is found as an uppercase value. If it is not found, return -1.
Example:
```
findUpperKey("CODE word", "code") -->
- Scratchpad.java
- Unit Test
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14
Parentheses autocomplete
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12
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Find the Key, Part 2
Unit Test
1
2
public int findUpperKey(String phrase, String key)
{
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