Rescaling or if that didn’t help use quicker
Google Analytics, this is a common one but there are others that do the same thing.
Correct Question:
Public class N extends String, Integer { } When you compile, you get the following message: N.java:1: ‘{‘ expected public class N extends String, Integer ^ 1 error Explain what the problem is and how to fix it.
Note the capital letter P
Answer and Explanation:
Problem: This is a syntax error, the key word "public" should begin with a small letter and not capital letter.
How to fix: Replace the capital letter P by small letter p and recompile.
The question is asking us to swap the values of xp and yp while not changing where they point to. Setting xp equal to yp would not work because then we couldn't change yp since the value for xp was overwritten. We can use a third variable to swap them.
int zp = xp;
xp = yp;
yp= zp;
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