Find the output of the given code.

int a, b = 100; 
for (a = 10; a <= 12; a++)
{
    b += a;
}
System.out.print("a:" + a + " " + "b:" + b);

The following code has some error(s). Identify the errors and write the corrected code.

Int x = 4, y = 8;
{
    y = y + (x++)
} while (x <= 10) 
System.out.println(y);

Write the return data type of the following functions.

(a) startsWith( )

(b) log( )

Define a class to declare an array of size 20 of double datatype, accept the elements into the array and perform the following:

Calculate and print the sum of all the elements.

Calculate and print the highest value of the array.