Write sample Java code to do the following. You must include your variable declarations in your answers, and you must use valid values that can be converted to the expected types: (a) - convert a String to an integer (b) - convert a String to a double (c) - convert an integer to a String (d) - convert a character to an integer (e) - convert an integer to a character (a) Write Java code to Create a non-rectangular 2D array that stores the following values: 432103210210100 (b) Write a Java program that will randomly generate 6 numbers between 1 and 42 to represent picking numbers for the lottery. These numbers need to be stored in an array. You must ensure that the six numbers chosen are unique - but you do not need to put them in order from smallest to largest. Your program should print out the 6 selected numbers at the end