gistfile1.txt

thisApt = null;
for (int i = 0 ; i < apts.length ; i++) {
      if (apts[i].getAptID() == theAptID) {
          thisApt = apts[i];
          break;
      }   
}

if (thisApt == null) {
  System.out.println("*** The Apartment does not exit! Returning! ***");
  return;
}

-------------------------------------------------------------------------------

public class Test {

	public static void main(String[] args) {

		int[] x = {7, 9, 11, 10};	
	
		for (int i = 0; i < x.length ; i++) {
			System.out.print(x[i] + " ");	
		}
		System.out.println("");
		for (int i = x.length-1; i >= 0 ; i--) {
			System.out.print(x[i] + " ");	
		}

	}
	
}


-----------------------------------------------------------------


public class Test {

	public static void main(String[] args) {

		int match = 7;
		int[] x = {7, 9, 11, 10, 2, 2, 4, 5, 5};	
		int matchCount = 0;
		
		for (int i = 0; i < x.length ; i++) {
			
			if (x[i] == match) {
				matchCount = matchCount + 1;
			}
		
		}
		
		System.out.println(matchCount);

	}
	
}


----------------------------------------------------------------------------------------------


	public static void main(String[] args) {

		// scnr object: used for entering the data
		Scanner scnr = new Scanner(System.in); 
		
		// A string array for storing the strings that you enter. 
		String[] words = new String[10];
		
		// This variable is used to point to a cell and track the strings
		int i = 0;
		
		// Run this loop until the end; except when you hit break
		while (i < words.length) {
			
			// Be user friendly!!!
			System.out.println("Please enter a string");
			
			// Get the string input and put it in the ith available cell;
			words[i] = scnr.next();
			
			// Again be friendly here to the user!!
			System.out.println("Done?");
			// Check if the user entered 'y' if yes break and jump out of the loop
			if (scnr.next().equals("y")) {
				// this is done to stop and jump out of the while loop
				break;
			}
			
			// You need to increment i for pointing to the next available cell (the next in the sequence)
			i++;
		}
		
		System.out.println("The value of i at this point is: " + i);
		
		// i is used to print the contents of the string array upto the place where it was filled. 
		for (int j = 0 ; j <= i ; j++) {
			// Print the ith string in the array. 
			System.out.println(words[j]);
		}
		
	}
	
-----------------------------------------------------------------------------------------------------------------------------

public class Test {

	public static void main(String[] args) {

		// This loop is there to keep track of rows
		for (int i = 0 ; i <= 10 ; i++) {
			
			// This loop is there to add the number of space
			for (int j = 0 ; j < i ; j++) {
				// Add the spaces before putting the number
				System.out.print(" ");
			}
			// Put the number at the end and jump to the next line. 
			System.out.println(i);
		}
		
	}
}

----------------------------------------------------------------------------------------------------------------------

public class Test {

	public static void main(String[] args) {
		
		// An array holding the characters
		char[] x = {'A', 'B', 'C'};

		// Remember (N) steps; in this case it is 1 & 2 appended to the output strings
		for (int i = 1 ; i <= 5 ; i++) {
			
			// This loop is for the (M) substeps i.e appending A,B & C with all the numbers (in this case 1 & 2)
			for (int j = 0 ; j <= 2 ; j++) {
			    // Print out the strings with an added space at the end. 
				System.out.print("" + i + x[j] + " ");
				
			}
			
		}
		
	}
}

-------------------------------------------------------------------------------------------------------------------------------

		// 1 Find the specific theAptID Apartment object and load it into
		// thisApt.
		// If null, print a message that the apt does not exist and return.

		int index = 0;
		Apartment foundApt = null;
		while (index < apts.length && foundApt == null) {
			thisApt = apts[index];
			if (thisApt.getAptID() == theAptID) {
				foundApt = thisApt;
			}
			index++;
		}

		if (foundApt == null) {
			System.out.println("*** The Apartment does not exist! Returning! ***");
			return;
		}

		// 2 Verify that thisApt Apt is available.
		// If not, print a message that the apt is already rented out and
		// return.

		if (foundApt.getAptCustomerID() != 0) {
			System.out.println("*** The apartment is already rented! Returning! ***");
			return;
		}