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javamathmaxmaxlength

Find the maximum of the length of 2 arrays

I am passing 2 arrays to the controller with different lengths, I want to execute a for loop and length of that will be the max of the length of 2 arrays. I am not getting how to execute that. I tried Math.max but its giving me error as cannot assign a value to the final variable length. 

String[] x =0;
x.length = Math.max(y.length,z.length);
for(int i=0; i < x.length; i++)

The no of elements in x and y are not fixed. it changes what we are passing from the front end.

Solution

  • Initialize the new array with the desired length:

    String[] x = new String[Math.max(y.length,z.length)];

    In case you don't need to create an array, just use the result of Math.max as conditional to stop your loop:

    for (int i = 0; i < Math.max(y.length,z.length); i++) {
    //...
}