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# Exercise Title Features Description Platform Keywords
1 Swap As and Os in RandomAccessFile Code Completion Your task is to swap all letters A with O and all letters a with o in a RandomAccessFile. Simply... CodeCheck Advanced Input and Output
2 HyperCaesar cipher Code Completion The HyperCaesar cipher is just like the Caesar cipher, except that the key for each step is the initial key... CodeCheck Advanced Input and Output
3 SuperCaesar Cipher Code Completion The SuperCaesar cipher is just like the Caesar cipher, except that the key value is incremented in each step. For... CodeCheck Advanced Input and Output
4 Swap adjacent characters in a RandomAccessFile Code Completion Your task is to swap adjacent letters in a RandomAccessFile. Simply read two bytes, back up by two bytes, and... CodeCheck Advanced Input and Output
5 Reading a serialized array of objects Code Completion Your task is to read a serialized array of objects. You are given a FileInputStream, and you need to read... CodeCheck Advanced Input and Output