java - Special character Symbol replacing ''�" -

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how replace symbol java coding .. when copied here "�" in coding looks

small square box

if saved code asking save 'utf-8' 1 me? saved in mysql table while accession iam getting problem

i explain scenario here..

i have replace single quotes , new line , double quotes characters in string in java..

when iterating, found string 'rs approves president?s rule', i've checked in database saved 'rs approves president[small square box]s rule '....i first think 'single qoute' , tried replace,

how can replace symbol..

can give more info on flow of string?

like:
input - webform
java - parses or plain inserts db?
mysql - stores data

make sure input set (allow) utf-8?
string in java handled utf-8
mysql set utf-8


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