// Q1: output 10 lines of "How are you?"

for(int i=0; i<10; i++)
	System.out.println("How are you?");


// Q2: declare a string array StrArray that can hold 100 elements?

String[] StrArray = new String[100];


// Q3: Let the last one be "VWC"?

StrArray[99] = "VWC";

// Q4: let the 50th one be "White House"?

StrArray[49] = "White House";

// Q5: Read the 3rd from the keyboard?

Scanner kb = new ....

StrArray[2] = kb.nextLine();

// Q6: Output the 1st to the monitor?

System.out.println(StrArray[0]);

// Q7: Read the users' name, then out "Hi xxx xxxx"?

String name = kb.nextLine();
System.out.println("Hi " + name);

// Q8: Read two real numbers and out their difference?

double x = kb.nextDouble();
double y = kb.nextDouble();
System.out.println(x-y);

// Q9: Given the three reals and assign the biggest to max?

double x1, x2, x3, max;

max = x1;
if(max < x2)	max = x2;
if(max < x3)	max = x3;

// Q10: Given the following array:

	double[20] x = new double[20];
	....
	double sum = 0;
	
Write the code segment to sum all elements of x and assignment to sum?

	for(int i=0; i<20; i++)
		sum += x[i];