4. Use 2D array to represent n students (number of rows), each having m subjects' marks(number of columns). Write a Program to calculate the following using the given methods: i. Summation of each student’ marks using a method with the following header: public static void calSumMarks(float allMarks[][], int r , int c, float studMarks[]) ii. Maximum mark of each subject using a method with the following header: public static void calMaxSub(float allMarks[][], int r, int c, float maxSubs[]) iii. Minimum mark among all marks with the following header: public static float calMinMark(float allMarks[][], int r , int c)

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