Using the two following methods; findFrequency and hasMutation; how do I write a method countTotalMutations(String[] seqArray) that counts the number of mutated DNA sequences that occur within an array.

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This must be done by building on the technique for findFrequency and adding calls to hasMutation.

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Parameters:

seqArray - An array of DNA sequences 

Returns:

The number of mutated DNA sequences found within the array. 

Note that DNA sequences contain two to four of the following characters: {A,C,G,T} in any order. A mutated sequence contains adjacent repeated characters , so ACCG, TTCCA, and AACC are all mutated sequences.

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public static int findFrequency(String target, String[] strings) {

int maxFrequency = 0;

for ( String DNACode : strings ) {

if ( DNACode.equals(target) ) {

maxFrequency = maxFrequency + 1;

}

}

return maxFrequency;

}

public static boolean hasMutation(String DNACode) {

for ( int i = 0 ; i < DNACode.length() ; i++ ) {

for ( int j = i + 1 ; j < DNACode.length() ; j++ ) {

if ( DNACode.charAt(i) == DNACode.charAt(j) ) {

return true;

}

}

}

return false;

}