Write a Java method called average which takes an array as parameter and returns the average value.   [1, 2, 3] 2   Create an array in main method, call the method and print it out.   Troubleshooting: do you return a value in average method?     class Main { public static double average(int [] array) { } public static void main(String[] args) { } }

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Write a Java method (do not write a class, only the method) with the following signature: Return type: void Parameters: 2D integer array Name: printDiagonal Implement the method code that will print out the values of the 2D array along the Diagonal from left to right. For example, if the array had the following values: 56    78    98 21    33    55 98    44    11        The method should print to the console:   56,33,11 The above 2D array example is only given for you to understand the problem Do not hard code the values in your solution or assume the array is the same as the given data. Your method should work for all 2D integer arrays.

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