Which of the following is a valid way to declare and initialize an integer array to store the ages of 50 students?

Write a Java program to store n numbers in an one dimensional array. Pass this array to a function number(int a[]). Display only those numbers whose sum of digit is prime.

What is the output of the Java code given below?

String color[] = {"Blue", "Red", "Violet"};
System.out.println(color[2].length());

1. 6
2. 5
3. 3
4. 2

Consider the following two-dimensional array and answer the questions given below:

int x[ ][ ] = {{4,3,2}, {7,8,2}, {8, 3,10}, {1, 2, 9}};

(a) What is the order of the array?

(b) What is the value of x[0][0]+x[2][2]?