Write a method called equals that takes in two string arrays and returns true if they are equal; that is, if both arrays have the same length and contain equivalent string values at each index.

public boolean equals( String [ ] a, String [ ] b ){

       if (a.length == b.length){

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

               if ( ! a [ i ].equals( b [ i ] )) {

                   return false;

               }

           }

           return true;

       }

       return false;

   }

Explanation:

The above code has been written in Java.

// 1. Method header declaration

// Method name is equals.

// It takes in two arguments which are the two string arrays a and b.

// Since the method returns a true or false, the return type is boolean

public boolean equals( String [ ] a, String [ ] b ){

       // 2. Check if the two arrays are of same length

       if (a.length == b.length){       // Begin outer if statement

           // If they are equal in length,

           // write a for loop that cycles through the array.

           // The loop should go from zero(0) to one less than

           // the length of the array - any of the array.

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

               // At each of the cycle, check if the string values at the index which

              // is i, of the two arrays are not equal.

               if ( ! a [ i ].equals( b [ i ] )) {

                   // If they are not equal, exit the loop by returning false.

                   return false;

              }

          }

          // If for any reason, the for loop finishes execution and does not

          // return false, then the two arrays contain the same string values at

          // each index. Therefore return true.

           return true;

       }                // End of outer if statement

       // If none of the return statements above are executed, return false.

       return false;

   }      // End of method.

Hope this helps!

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