class Ideone {
public static void main
(String[] args
) { int i = 1;
int j = 3;
String first
= str.
substring(0, i
); char second = str.charAt(j);
String third
= str.
substring(i
+ 1, j
); // Note: corrected bug! char fourth = str.charAt(i);
String fifth
= str.
substring(j
+ 1);
System.
out.
println(first
+ second
+ third
+ fourth
+ fifth
);
}
}
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