Question

Java- Fill in the blanks

Print numbers 0, 1, 2, ..., userNum as shown, with each number indented by that number of spaces. For each printed line, print the leading spaces, then the number, and then a newline. Hint: Use i and j as loop variables (initialize i and j explicitly). Note: Avoid any other spaces like spaces after the printed number. Ex: userNum = 3 prints:

0
 1
  2
   3

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

public class NestedLoop {
public static void main (String [] args) {
int userNum = 0;
int i = 0;
int j = 0;

/* Your solution goes here */

return;
}
}

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

Given numRows and numCols, print a list of all seats in a theater. Rows are numbered, columns lettered, as in 1A or 3E. Print a space after each seat, including after the last. Use separate print statements to print the row and column. Ex: numRows = 2 and numCols = 3 prints:

1A 1B 1C 2A 2B 2C 

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

public class NestedLoops {
public static void main (String [] args) {
int numRows = 2;
int numCols = 3;

// Note: You'll need to declare more variables

/* Your solution goes here */

System.out.println("");

return;
}
}

Answer 1

1.

Program Screenshot:

Sample Output:

Code to Copy:

// Declare a class.

public class NestedLoop

{

// Star the main method.

public static void main(String[] args)

{

// Set the value of userNum 3.

int userNum = 3;

int i = 0;

int j = 0;

// Start the for loop

for (i = 0; i <= userNum; i++)

{

// start the for loop

for (j = 0; j < i; j++)

{

// Display statement on console.

System.out.print(" ");

}

// display value.

System.out.println(i);

}

return;

}

}

2.

Program Screenshot:

Sample Output:

Code to Copy:

// declare a class.

public class NestedLoops

{

// start the main method.

public static void main(String[] args)

{

// declare variables.

int numRows = 2;

int numCols = 3;

int i, j;

char character = 'A';

// Start the for loop

for (i = 0; i < numRows; i++)

{

// start the for loop.

for (j = 0; j < numCols; j++)

{

// Display the numeric value on console.

System.out.print(i + 1);

// display character on console.

System.out.print((char) (character + j));

// Print space

System.out.print(" ");

}

}

System.out.println("");

return;

}

}