Beginner needs help!

I want to find out the max and min of the numbers in all the arrays, how would I do that?? I know how to find max and min when using int values (Math.max) but in this array I have strings, so how do i do it?

P.S. I have to make a program that takes in a basketballs team statistics and prints out the player with the most rebounds, the player with the most assits and the player with the most points

Here is the code:

Code:

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String[] Rebounds = new String [12]; //make an array for rebounds for each player
            Rebounds [0] = "4.90"; //save 4.90 as trevor arizas rebounds
            Rebounds [1] = "5.10"; //save 5.10 as kobe bryant rebounds
            Rebounds [2] = "8.90"; //save 8.90 as andrew bynum rebounds
            Rebounds [3] = "3.40"; //save 3.40 as Jordan Farmer rebounds
            Rebounds [4] = "2.60"; //save 2.60 as Derek Fisher rebounds
            Rebounds [5] = "10.10"; // save 10.10 as Pau Gasol rebounds
            Rebounds [6] = "1.30"; // save 1.30 as Chris Mihm rebounds
            Rebounds [7] = "5.90"; // save 5.90 as Lamar Odom rebounds
            Rebounds [8] = "1.80"; // save 1.80 as Josh Powell rebounds
            Rebounds [9] = "3.30"; // save 3.30 as Vladimir Radmanovic rebounds
            Rebounds [10] = "1.90";  // save 1.90 as Sasha Vujacic rebounds
            Rebounds [11] = ".40"; // save .40 as Luke Walton rebounds

            String[] Points = new String [12]; //make an array that shows the points for each player
            Points [0] = "9.4"; //save 9.4 as trevor arizas points
            Points [1] = "24.4"; //save 24.4 as kobe bryant points
            Points [2] = "9.2"; //save 9.2 as andrew bynum points
            Points [3] = "10.2"; //save 10.2 as Jordan Farmer points
            Points [4] = "10.6"; //save 10.6 as Derek Fisher points
            Points [5] = "17.6"; // save 17.6 as Pau Gasol points
            Points [6] = "4.7";  // save 4.7 as Chris Mihm points
            Points [7] = "9.3"; // save 9.3 as Lamar Odom points
            Points [8] = "2.8"; // save 2.8 as Josh Powell points
            Points [9] = "6.1"; // save 6.1 as Vladimir Radmanovic points
            Points [10] = "5.2"; // save 5.2 as Sasha Vujacic points
            Points [11] = ".6"; // save .6 as Luke Walton points

            String[] Assists = new String [12]; //make an array that shows the assists for each player
            Assists [0] = "1.7"; //save 1.7 as trevor arizas assists
            Assists [1] = "4.0"; //save 4.0 as kobe bryant assists
            Assists [2] = "1.8"; //save 1.8 as andrew bynum assists
            Assists [3] = "2.9"; //save 2.9 as Jordan Farmer assists
            Assists [4] = "2.7"; //save 2.7 as Derek Fisher assists
            Assists [5] = "3.1"; // save 3.1 as Pau Gasol assists
            Assists [6] = ".0"; // save .0 as Chris Mihm assists
            Assists [7] = "2.2"; // save 2.2 as Lamar Odom assists
            Assists [8] = ".0"; // save .0 as Josh Powell assists
            Assists [9] = "1.1"; // save 1.1 as Vladimir Radmanovic assists
            Assists [10] = "1.4"; // save 1.4 as Sasha Vujacic assists
            Assists [11] = ".6"; // save .6 as Luke Walton assists

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Simply you can sort the array, in default elements are sorting in ascending order. Just look at the following code example.

Code:

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        int[] aa = new int[]{12, 34, 56, 34, 23, 3, 56, 88, 99, 2};
        java.util.Arrays.sort(aa);

        for(int i = 0; i < aa.length; i++) {
            System.out.println(aa[i]);
        }

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