How can I put a given text in a substitution website to enrcypt it and than read the encrypted text so the text is shown on my eclipse-console?

Question

K’fb rxtbrai vrxmba rsowv abukdnbtu rna eog vebkt ztkvkqwb vtrknknd yrmbu veby kypouuksxb vo gotm gkve. Nog xbv’u xoom rv veb ovebt ukab oc veb zokn: ptodtryybtu.

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