5 min read
This study guide covers core string algorithms in Java. It reviews using for loops, indices, and the substring()
method for string manipulation. Key algorithms covered include reversing a string, getting all substrings of length N using a sliding window approach, and checking for a substring using equals()
. Important string methods like length()
, substring()
, and equals()
are also explained.
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Question 1 of 11
Given the string "apple", what character is at index 1?
a
p
l
e