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BJP5 Self-Check 3.21: fourScore

Language/Type: Java basics Strings
Author: Marty Stepp (on 2019/09/19)

Given the following code, what indexes must be passed to the substring method to produce the new String with the value "SCORE"? What indexes to substring produce "fouryears"?

// index        012345678901234567890123456789
String quote = "Four score and seven years ago";
String expr1 = quote.substring(a, b).toUpperCase();  // "SCORE"
String expr2 = quote.toLowerCase().substring(c, d) + quote.substring(e, f);  // "fouryears"
a
b
c
d
e
f

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